FAISAL M ALZAHARNI, and FATHELRAHMAN M HASSAN. “MORPHOLOGICAL ALTERATIONS OF RED BLOOD CELLS CAUSED BY OVERDOSES OF SILDENAFIL”. Asian Journal of Pharmaceutical and Clinical Research, vol. 12, no. 6, June 2019, pp. 54-56, doi:10.22159/ajpcr.2019.v12i6.32999.