--subdivision Treatment under individual diseases and groups of diseases, e.g. Cancer--Treatment; also subdivision Diseases--Treatment under individual parts of the body and under individual animals and groups of animals, e.g. Heart--Diseases--Treatment; Cattle--Diseases--Treatment; Fishes--Diseases--Treatment; and subdivision Therapeutic use under topical headings for discussions of their use in treating disease, e.g. Copper--Therapeutic use; Corn--Therapeutic use; Poetry--Therapeutic use; X-rays--Therapeutic use