Northwest of Gangneung, Zixu outside the city of Jinan.

Zheng Sheng went all the way north and came here.

Kinan Castle is an old city, and the city is dilapidated. There is not much to stay in the city within a radius of more than three miles.

What's more, he came here to buy mushrooms.

At the beginning of the evening, he arrived. Until the hour of the hour, a whole hour, a steady stream of people came into the camp, put down the basket behind them, and poured out a basket full of mushrooms.

He's not tired, he just needs to keep smiling. But it's too busy for the people who accompany him.

They have to check if the piles are all mushrooms, then confirm the price with the villagers, calculate the price, and finally settle the bill. In this way, a single transaction is considered to be completed.

However, who knew that they had collected several baskets of mushrooms that night.

Zheng Sheng watched as the mushrooms were piled up into a "small mountain", slowly becoming larger and piled into a "big mountain", and then the "big mountain" slowly expanded......

At the same time, mushrooms collected from other places were also loaded in horse-drawn carts and parked in the camp on the banks of Zixu.

Zheng Sheng was very satisfied.

Although there are no specific statistics, Zheng Sheng believes that these are enough to exchange for some medicine.

"Let's go rest." Zheng Sheng turned to the workers led by Ren Ji and said.

The people who had been tired all day said goodbye to Zheng Sheng, entered their respective tents, and quickly fell asleep.

……

"The host's mold this time totals six tons, four hundred and fifty-nine kilograms, and four hundred and thirty-four grams, which can be exchanged for about six and a half grams of penicillin reagent." The assistant smiled.

Zheng Sheng breathed a sigh of relief, and then asked, "Six grams?" How many people can be saved? ”

"During the Western Jin Dynasty, the human body's resistance to penicillin drugs was almost zero. Intramuscular injection of one reagent is standardized, and if the effect is not good, the drug can be continued. ”

"I don't understand." Zheng Sheng shook his head.

The assistant said, "In that case, I should give the host a gift for the first meeting." ”

Zheng Sheng suddenly had a lot of information in his mind, and the titles of these contents were: Penicillin intramuscular dosage and related precautions.

He frowned: "Can I exchange technology?" ”

"Of course you can, but it's hard. Moreover, the exchange of technology can only be the memory of the host, and if the host wants to learn, it needs to learn little by little in reality. ”

"Can't I narrate it and teach it to anyone else?" Zheng Sheng asked.

"Yes."

"Also, the host shouldn't have a syringe for intramuscular injection, right? What about today's base exchange? ”

"Can you still recommend business? Okay, that's all. "Injections naturally require a needle, and since penicillin is used, syringes are indeed an indispensable tool.

Early in the morning, Ren Ji hammered his old waist and walked out of the camp tent, thinking that today would be another busy day.

He used to wake up early just to sort out the work he had to do in the early morning walk.

"Harvest mushrooms, harvest mushrooms, collect so many mushrooms...... Where's my mushroom? Where did the mushrooms go? Ren looked at the mushrooms that were originally like a "mountain" last night, but now it is empty.

"Stolen?" Ren Ju stared, and Bai Si had to understand, who stole so many mushrooms?

didn't have time to think, he hurriedly ran into Zheng Sheng's tent: "Shizi, the big thing is not good, the mushrooms have been stolen!" The Son? ”

Ren Ji looked at Zheng Sheng in surprise as he was holding a tube that was more than three inches long and the thickness of his little finger, and looked closer.

"Mushrooms stolen? No, no. I've sent someone to transport those mushrooms out there overnight. Zheng Sheng put down the needle and said without a red face and a heartbeat.

"Huh?" Ren is skeptical.

"Alright, we're going back to Gangneung." As Zheng Sheng spoke, he kept taking out a box in his hand and filling some small bottles and tubes on the table.

"Go back? Don't buy mushrooms anymore? ”

"Buy! Still want to buy. This matter will be left to Chu Quai, who will come over for a while. Let's go back to Gangneung and save people. ”

"Saving people?" Ren is still confused.

Ji Nan City is not far from Gangneung, only more than ten miles away.

Soon they returned to Zheng's house in Gangneung. Zheng Sheng went straight to Liu Wen'er's hospital room.

Qing'er and Wen Xiaoting are still accompanying her.

Zheng Sheng asked, "How is the situation?" ”

Qing'er cried out "wow": "Shizi, they all said that Wu'er can't live tonight!" ”

Naturally, they are those famous doctors in Gangneung.

"No, I'm here to save her!" Zheng Sheng affirmed.

"None of the famous doctors can save her, what can you do?" Wen Xiaoting stood in front of him and questioned.

"I have a way. That's the life-saving medicine! Zheng Sheng raised the box in his hand and said.

"I don't believe it! I don't believe your words! ”

"Wen Xiaoting, don't be unreasonable!" Zheng Sheng was also angry.

"Xiaoting." Karma walked in and took her hand. Wen Wei then walked in. Then came Wu Yunlu.

"Zheng Sheng, you're back." Wu Yunlu said.

"Brother Wu, I have medicine." Zheng Shengdao.

"That's why you bought mushrooms?" Wen Wei asked.

Zheng Sheng nodded. He walked up to Liu Wei'er, looked at her red face, and said softly: "Even if Lord Yama comes, he can't take you away!" ”

At this time, Zheng Wen, Ren Ju, Zheng Quan, Wan Yun and others all walked in. Wu Yunlu motioned to everyone not to speak and watch Zheng Sheng's actions.

Under the eyes of everyone, Zheng Sheng opened the box. He picked up one of the small tubes and took out a vial less than half an inch long.

Zheng Sheng looked at the needle tube and the medicine bottle, and the next operation steps came to mind. He took out a little liquid medicine with a needle and looked at Liu Wei'er.

Then, he realized that he seemed to be missing a lot of tools.

So, he whispered a few words to Qing'er, but Qing'er was not surprised, and quickly took a jar and a ball of cotton outside.

"It's medical alcohol, and the prince wants to disinfect Miss Liu's wounds?" Wan Yun asked.

Zheng Sheng didn't answer, he opened the jar, dipped it in cotton a little, and gently wiped it on the outside of her forearm, then pricked the tip of the needle and pushed in a little liquid.

Zheng Sheng sighed after doing all this.

"Alright, now we'll have to wait a while!" Looking at everyone's puzzled expressions, Zheng Sheng explained: "This medicine is allergic to a small number of people, and people with allergies cannot use this medicine. ”

Everyone nodded blankly.

Zheng Sheng remembered something again, and said something in Qing'er's ear again, and Qing'er went out again with a strange expression.

After a while, she returned with the cook, and they brought four things: a chopstick, a small jar of salt, a bowl, and a jar of water.

Zheng Sheng still didn't explain, and he couldn't explain either. The first time he prepared normal saline, Zheng Sheng was a little stressed.

He poured half a bowl of water into the bowl, then carefully added salt to the bowl, stirred it with chopsticks, then dipped a little in his hand, put it in his mouth and tasted it—the gift bag was so powerful that his tongue could now tell the exact value of the salt water.

The first time was naturally wrong, so he continued to add salt, tasted again, and continued to add. However, the next few times he was still adding water, it was because the concentration of salt water was high again.

After repeating this several times, he finally prepared a qualified brine.