1. Pediatrician's assessments of the intelligence of two-year-olds and their mental test scores;Bierman;Pediatrics,1964
2. Pediatricians' appraisals of patients' intelligence;Korsch;Pediatrics,1961
3. The use of developmental screening tests by primary-care physicians;Smith;J Pediatr,1978
4. Sturner RA: Personal communication, 1978.
5. Denver Developmental Screening Test: Reference manual;Frankenburg,1975