1.
Rev Med Panama
; 7(2): 125-36, 1982 May.
Article
in Spanish
| MEDLINE
| ID: mdl-7100518
2.
Rev. méd. Panamá
; 7(2): 125-36, 1982.
Article
in Spanish
| LILACS
| ID: lil-9708
3.
Rev. méd. Caja Seguro Soc
; 13(1): 117-33, 1981.
Article
in Spanish
| LILACS
| ID: lil-4232
4.
Rev. méd. Caja Seguro Soc
; 13(1): 134-44, 1981.
Article
in Spanish
| LILACS
| ID: lil-4233