1.
JPMI-Journal of Postgraduate Medical Institute. 2004; 18 (2): 261-8
en Inglés
| IMEMR
| ID: emr-67063
2.
JPMI-Journal of Postgraduate Medical Institute. 2003; 17 (2): 208-13
en Inglés
| IMEMR
| ID: emr-63156