oscar started following the work of 2 people. 2011-11-29 05:56:06 -0800

oscar started following the work of catalina amortegui, Universidad de los Andes (Colombia), Facultad de Medicina. 2011-11-12 09:15:29 -0800

oscar started following the work of Leonardo Corredor Toro, Universidad de La Sabana, N/D. 2011-09-25 10:24:37 -0700