TY - GEN AU - BEK,V AU - SKALOVA,N AU - VICH,Z TI - [On causes of late diagnosis of malignant tumors. I. Tumors difficult to diagnose and incurable tumors] SN - 0008-7335 PY - 1998///1101 KW - Delayed Diagnosis KW - Humans KW - Neoplasms KW - diagnosis N1 - Publication Type: Journal Article ER -