1. Manee-in, S., Chanapiwat, P., Prapaiwan, N., Kaeoket, K., Srisuwatanasagul, S., & Roongsitthichai, A. Cryopreservation Effect on Expression of Sex Steroid Receptors of Boar Spermatozoa. Thai Journal of Veterinary Medicine. 45(2), 269-277, 2015.
2. Prapaiwan, N., Tharasanit, T., Punjachaipornpol, S., Yamtang, D., Roongsitthichai, A., Moonarmart, W., Kaeoket, K., Manee-In, S. Low-density lipoprotein improves motility and plasma membrane integrity of cryopreserved canine epididymal spermatozoa. Asian-Australasian Journal of Animal Sciences. 29(5), 646-651, 2016.
3. Bhanmeechao, C., Srisuwatanasagul, S., Prapaiwan, N., Ponglowhapan, S. Reproductive aging in male dogs: The epididymal sperm defects and expression of androgen receptor in reproductive tissues. Theriogenology. 108, 74-80, 2018.
4. Srisuwatanasagul, K., Prapaiwan, N., Srisuwatanasagul, S., Kunavongkrit, A., Roongsitthichai, A. Immunohistochemical study of Ki-67 protein, androgen receptor, and estrogen receptor beta in testicular tissues of male pigs immunocastrated with different times of GnRH vaccination. Journal of Veterinary Medicine Series C: Anatomia Histologia Embryologia. 47(5), 475-480, 2018.
5. Prapaiwan, N., Rakprakobkij, N., Pipatsrikul, T., Seedam, S., Fongsaran, K. Ovarian thecoma in an asymptomatic bitch: a case report. Proceeding of THE 10th VPAT REGIONAL VETERINARY CONGRESS. 2017.
6. Prapaiwan, N., Suwankanit, K. Treatment of recurrence prostatic cysts using intracapsular prostatic omentalization procedure in an intact dog: a case report. Proceeding of THE 11th VPAT REGIONAL VETERINARY CONGRESS. 2018.
7. Phantharangsi, S., Prapaiwan, N., Suwankanit, K. Ureteroliths associated with an ectopic ureter in a female cat: a case report. Proceeding of THE 12th VPAT REGIONAL VETERINARY CONGRESS. 2019.
8. Prapaiwan, N., Thanawongnuwech, R., Srisuwatanasagul, S., Manee-in, S. The Evaluation of Serum Anti-Müllerian hormone Concentration in Dogs with Bilateral Abdominal Cryptorchidism. Proceedind of The 18th Chulalongkorn University Veterinary Conference 2019 (CUVC2019): Research in Practice. 2019.