Aparicio E, Depablos NE, Diaz E. Oswaldo Valdivia md: icon professOswaldo Valdivia md: icon professor and researcher at the Universidad Centroccidental Lisandro Alvarado.or and researcher at the Universidad Centroccidental Lisandro Alvarado. Rev Vzlana Sal Pub. [Internet]. 2020 Apr. 8 [cited 2026 Oct. 4];8(1):121-30. Available from: https://mail.revistas.uclave.org/index.php/rvsp/article/view/2886