[PROBLEMS IN ACQUIRED RESISTANCE OF TUMORS TOWARDS CYTOSTATICS].
D000477:Alkylating Agents; D000963:Antimetabolites; D000970:Antineoplastic Agents; D054697:Cytostatic Agents; D005493:Folic Acid Antagonists; D006801:Humans; D009369:Neoplasms / Q000276:immunology*; D009374:Neoplasms, Experimental; D011687:Purines; D011743:Pyrimidines; D013256:Steroids
D000477:Alkylating Agents; D000963:Antimetabolites; D000970:Antineoplastic Agents; D054697:Cytostatic Agents; D005493:Folic Acid Antagonists; D011687:Purines; D011743:Pyrimidines; D013256:Steroids; C030985:purine
ALKYLATING AGENTS; ANTIMETABOLITES; ANTINEOPLASTIC AGENTS; FOLIC ACID ANTAGONISTS; NEOPLASM IMMUNOLOGY; NEOPLASMS; NEOPLASMS, EXPERIMENTAL; PURINES; PYRIMIDINES; REVIEW; STEROIDS
PROBL'EMY Z'ISKANEJ REZISTENCIE N'ADOROV VO CI CYTOSTATIK'AM.