66; used with Category C & F 1966-74; C & F3 1975-87; C, F3 & SMOKING 1988; C, F3 & SMOKING+ 1989; C & F3 1990 forward
Note
Used with disease headings for the treatment of disease by the administration of drugs, chemicals, and antibiotics. For diet therapy and radiotherapy, use specific subheadings. Excludes immunotherapy for which "therapy" is used.
