[He's fairly certain he can do the job himself, but Sherlock doesn't refuse immediately. As a scientific associate, Danger is second to none, and her company isn't really unwelcome. He simply has an inability to express himself that way. After a moment, he simply nods, then slides the microscope closer to her. The combination of human and mechanical eyes would hopefully leave little margin for error.]

I need a comparative cell count between these two samples. One is the control sample, the other is the victim's variable.