Satitsuksanoa, P., Suthuvoravut, S., & Wongkularb, A. (2012). Changes in Sperm Quality After Two Different Techniques of Sperm Preparation. Ramathibodi Medical Journal, 35(4), 309–313. Retrieved from https://he02.tci-thaijo.org/index.php/ramajournal/article/view/135487