Department of General Surgery, El Bosque University, Bogota, Colombia
Biography
Villarreal R is affiliated to Department of General Surgery, El Bosque University, Bogota, Colombia He is a recipient of many awards and grants for his valuable contributions and discoveries in major area of subject research. His international experience includes various programs, contributions and participation in different countries for diverse fields of study. His research interests reflect in his wide range of publications in various national and international journals.
Spanish 
Chinese 
Russian 
German 
French 
Japanese 
Portuguese 
Hindi 