Paiwan Sudwan. 1990. Scanning electron microscopic study on pituitary vascular casts of common tree shrew (Tupaia glis). Faculty of Graduate Studies, Mahidol University;

Paiwan Sudwan. Scanning electron microscopic study on pituitary vascular casts of common tree shrew (Tupaia glis). . Bangkok:Mahidol University, 1990.

Paiwan Sudwan. (1990) Scanning electron microscopic study on pituitary vascular casts of common tree shrew (Tupaia glis) . Mahidol University/Bangkok.