A man goes to his doctor for his yearly checkup. The doctor instructs him to
give a urine sample, a stool sample, and a sperm sample. "Gee, I'm in kind
of a hurry Doc," the man says, "can I just leave a pair of my underwear?"
An elderly gentlemen went to the doctoor for a physical. After examining
the man, the doctor said "I think you are alright, but just the same
before you leave I would like a urine sample, a stool sample, and a semen
sample....