1.
ADM
; 33(4): 57-66, 1976.
Article
in Spanish
| MEDLINE
| ID: mdl-1072733
2.
ASDC J Dent Child
; 37(1): 69-78, 1970.
Article
in English
| MEDLINE
| ID: mdl-4904492
3.
Chronicle
; 31(6): 181-3, 1968 Feb.
Article
in English
| MEDLINE
| ID: mdl-5240896