Problems of medical practice and of medical- pharmaceutical research.
D000367:Age Factors; D004345:Drug Industry; D004358:Drug Therapy; D006331:Heart Diseases / Q000401:mortality; D009017:Morbidity; D009026:Mortality; D009369:Neoplasms / Q000401:mortality; D011364:Professional Practice; D012106:Research; D013223:Statistics as Topic