Ye Chengyi had not seen anyone come out to greet him for a long time at the nurses'desk, so he knocked several times on the table and coughed a few times before he saw a fat girl in her early thirties come out.

"Who's on duty today? Take urine samples from patients in the Charter ward.

"Doctor Wang, you are from the Department of Renal Medicine. How did you get to the Department of Cardiology? The people in the Charter ward just checked their urine samples yesterday! uuuuuuuuuuu

"Can't nephrology come to cardiology? Is this the rule of your eighth floor or the rule of your doctor in charge? That's...