1. Screening programs and the pediatrician;Lessler;Pediatrics,1974
2. The Developmental Progress Questionnaire (DPQ): a device for mass developmental screening;Frankenburg;Clinical Research,1975
3. The Prescreening Developmental Questionnaire (PDQ);Frankenburg;Pediatric Research,1975
4. Preschool developmental screening as a predictor of school learning problems;Camp;Clinical Research,1974