Frequent attendance in a family practice.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001071:Appointments and Schedules; D002648:Child; D002675:Child, Preschool; D005191:Family Characteristics; D005194:Family Practice; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008131:London; D008297:Male; D008875:Middle Aged; D010817:Physician-Patient Relations; D011602:Psychophysiologic Disorders / Q000453:epidemiology; D012947:Social Work; D014195:Travel