title: The diagnosis and management of the walk-in syndrome.
mesh_terms: D000367:Age Factors; D000553:Ambulatory Care; D001071:Appointments and Schedules; D002662:Child Health Services / Q000706:statistics & numerical data*; D002675:Child, Preschool; D003191:Comprehensive Health Care; D004165:Diphtheria / Q000517:prevention & control; D005191:Family Characteristics; D005843:Geography; D006801:Humans; D007114:Immunization; D007223:Infant; D009519:New York City; D013689:Telephone; D013742:Tetanus / Q000517:prevention & control; D014505:Urban Population; D014917:Whooping Cough / Q000517:prevention & control