1.
Rev. Assoc. Med. Bras. (1992)
;
45(2): 175-80, abr.-jun. 1999. ilus
Article
in Portuguese
| LILACS
| ID: lil-233430
2.
Rev. Hosp. Säo Paulo Esc. Paul. Med
;
7(1/2): 51-5, Jan.-Jun. 1996.
Article
in English
| LILACS
| ID: lil-201443