[Letter: Early diagnosis of cancer].
D005260:Female; D005860:Germany, West; D006801:Humans; D008297:Male; D008403:Mass Screening; D011471:Prostatic Neoplasms / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis*; D013997:Time Factors
Krebsfrüherkennung.