Atipairin, A., Woradechakul, C., Chee, K.S., Sawatdee, S. and Sae Yoon, A. 2014. METHOD VALIDATION FOR DETERMINATION OF SILDENAFIL CITRATE IN EXTEMPORANEOUS ORAL SUSPENSION. International Journal of Pharmacy and Pharmaceutical Sciences. 6, 7 (Jul. 2014), 131–136.