Early diagnosis of cancer of the rectum and sigmoid: organization and results of a programme of detection.
D001071:Appointments and Schedules; D005260:Female; D006801:Humans; D008297:Male; D008499:Medical Records; D011314:Preventive Health Services; D012004:Rectal Neoplasms / Q000175:diagnosis*; D012811:Sigmoid Neoplasms / Q000175:diagnosis*; D013997:Time Factors