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Boss Zheng can also make mistakes sometimes.

"Oh, I forgot ..." Zheng Ren said and suddenly slapped his head.

"What's wrong?" Zhu liangchen asked.

"Not to the medical Laboratory, but to the pathology Department for slicing. With a 1000 - fold oil mirror, you can see the stomachache octopus with a diameter of 2 3 μ m. " Zheng Ren laughed embarrassedly."The moment I mentioned bacteria, I just casually said that I needed to cultivate it. I'm used to it. Sorry about that."

Zhu liangchen did not say anything. He just quietly picked up a pen from Department Director Kong's desk and took out an A4 paper from the printer to write down Zheng Ren's words.

Biopsy, colonoscopy, pathology, and an oil mirror with a 1000x scope.