This manual is a comprehensive loose-leaf record of the therapeutic procedures that have been outlined by the Los Angeles County Hospital for the guidance of the interns and residents on the staff. There are detailed sections on respiratory and circulatory diseases; hematology; renal, digestive, hepatic and biliary diseases; endocrine and metabolic disorders; nutritional and deficiency changes; allergy; arthritis, and contagious diseases. Procedures commonly employed in dermatology, syphilology, pediatrics, psychiatry, neurology and obstetrics-gynecology are also described as well as those pertaining to general surgery, orthopedics, urology, ophthalmology and otolaryngology. Descriptive material is likewise included, with reference to minor therapeutic procedures, sulfonamide drugs, penicillin and streptomycin therapy, physical medicine, roentgen ray and laboratory procedures, dietary management, prescriptions and special drugs. Conversion tables for equivalent weights and measures are provided to facilitate the use of the metric system which has been instituted in the present edition in accordance with modern trends.