1.
Am J Dis Child
; 121(6): 543, 1971 Jun.
Article
in English
| MEDLINE
| ID: mdl-5581028
2.
J Pediatr
; 78(6): 1078, 1971 Jun.
Article
in English
| MEDLINE
| ID: mdl-5577193
3.
Pediatrics
; 47(5): 956, 1971 May.
Article
in English
| MEDLINE
| ID: mdl-5573883