Experimental Chemotherapy, Volume IV: Chemotherapy of Neoplastic Diseases, Part I focuses on the use of chemotherapy to counteract neoplastic ailments. The book first discusses the chemotherapy of neoplastic diseases, and this includes approaches to cancer chemotherapy, methods of drug evaluation, and the effects of antitumor antibiotics. The text also presents an appendix to the previous volumes. Toxicity and drug resistance in chemotherapy; chemotherapy of trypanosomiasis, giardiasis, and histomoniasis; and the use of antibiotics in chemotherapy are discussed. Experiments on the processes, methodologies, and medical interventions on the chemotherapy of these ailments are given importance. The book also identifies some antibiotics used in the chemotherapy of fungal and bacterial infections. These antibiotics include pimaricin, fucidin, gramicidin, lincomycin, and rifamycin SV. The book is a vital reference for readers wanting to explore the potential of chemotherapy on medical interventions on neoplastic diseases.