title: Sources of information and influence on new drug prescribing among physicians in an HMO.
mesh_terms: D004346:Drug Information Services; D011307:Drug Prescriptions; D004358:Drug Therapy; D006279:Health Maintenance Organizations; D006801:Humans; D007255:Information Services; D007398:Interpersonal Relations; D011364:Professional Practice; D011643:Publishing; D014481:United States