Chong, T. H., Asyraf, M. Z., Hayati, F., Azizan, N., Sahid, N. A., Ting, J. R. S., & Zakaria, A. D. (2018). Giant Preputial Calculus: The First Reported Case in Malaysia. Hindawi Limited.

Chong, Tze Huat, Mohd Zuki Asyraf, Firdaus Hayati, Nornazirah Azizan, Nik Amin Sahid, Jesse Ron Swire Ting, und Andee Dzulkarnaen Zakaria. Giant Preputial Calculus: The First Reported Case in Malaysia. Hindawi Limited, 2018.

Chong, Tze Huat, et al. Giant Preputial Calculus: The First Reported Case in Malaysia. Hindawi Limited, 2018.