Development of Nonstructural Protein-Based Indirect ELISA to Identify Elephant Endotheliotropic Herpesvirus (EEHV) Infection in Asian Elephants (Elephas maximus). by Thunyamas Guntawang , Tidaratt Sittisak , Pallop Tankaew , Chatchote Thitaram , Varangkana Langkapin , Taweepoke Angkawanish , Tawatchai Singhla , Nattawooti Sthitmatee , Wei-Li Hsu , Roongroje Thanawongnuwech  and Kidsadagon Pringproa.​

Relationship among Serum Progestagens, Cortisol, and Prolactin in Pregnant and Cycling Asian Elephants in Thailand. Patcharapa Towiboon , Kanokporn Saenphet , Chatchai Tayapiwattana , Siriwan Tungyuenyong ,Gen Watanabe , Sittidet Mahasawangkul , Janine L. Brown and Chatchote Thitaram