The winner after 7 rounds--fecal occult blood testing!
Sawhney
Mandeep S
MS
Nelson
Douglas B
DB
D000368:Aged; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged; D009780:Occult Blood; D016032:Randomized Controlled Trials as Topic