. "0002-838X" . "1532-0650" . "1.974" . . . . "AFPYAE" . "American Family Physician" . . "2017" . . . . "1969" . "Am. Fam. Physician" . . . . . . "85650524" . . "Biweekly" . "After 12 months" . . "American Family Physician" . "01777828" .