A medical care information system: evaluation of changing patterns of primary care.
D000367:Age Factors; D002662:Child Health Services / Q000706:statistics & numerical data; D002675:Child, Preschool; D003191:Comprehensive Health Care; D003695:Delivery of Health Care; D005069:Evaluation Studies as Topic; D006801:Humans; D007114:Immunization; D007223:Infant; D007231:Infant, Newborn; D007256:Information Systems; D009722:Nurse Practitioners / Q000706:statistics & numerical data; D009864:Ontario; D010348:Patient Care Team; D010372:Pediatrics; D011320:Primary Health Care