BEK, V [On causes of late diagnosis of malignant tumors. I. Tumors difficult to diagnose and incurable tumors]. [electronic resource] - Casopis lekaru ceskych May 1962 - 550-5 p. digital Publication Type: Journal Article ISSN: 0008-7335 Subjects--Topical Terms: Delayed DiagnosisHumansNeoplasms--diagnosis