title: Direction services: a model facilitating secondary prevention of developmental handicapping conditions.
mesh_terms: D002661:Child Guidance Clinics; D002662:Child Health Services / Q000458:organization & administration*; D002675:Child, Preschool; D002658:Developmental Disabilities / Q000517:prevention & control*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008962:Models, Theoretical; D009518:New York; D012306:Risk