1. Neonatal bacteruria: Prospective study of 1460 infants;Abbott;Brit. Med. J.,1972
2. The reliability of the bacteriologie identification of beta streptococcus in private pediatric practice;Battle,1970
3. Time-motion study of practicing pediatricians;Bergman;Pediatrics,1966
4. PAS identification in pediatric practice;Bergman;Amer. J. Dis. Child.,1969
5. Failure of children to receive penicillin by mouth;Bergman;New Eng. J. Med.,1963