1. Broken appointments;Alpert;Pediatrics,1964
2. The pediatrician’s influence in private practice measured by a controlled seat belt study;Bass;Pediatrics,1964
3. Time-motion study of practicing pediatricians;Bergman;Pediatrics,1966
4. Failure of children to receive penicillin by mouth;Bergman;N. Engl. J. Med.,1963
5. Research in the practice of a pediatrician;Breese;Am. J. Dis. Child.,1961