Seasonal patterns of oxidative stress markers in captive Asian elephants in Thailand and relationships to elephant endotheliotropic herpesvirus shedding oleh Worapong Kosaruk, Worapong Kosaruk, Worapong Kosaruk, Janine L. Brown, Janine L. Brown, Janine L. Brown, Patcharapa Towiboon, Kidsadagon Pringproa, Kidsadagon Pringproa, Kidsadagon Pringproa, Veerasak Punyapornwithaya, Pallop Tankaew, Narueporn Kittisirikul, Wachiraporn Toonrongchang, Thittaya Janyamathakul, Panida Muanghong, Chatchote Thitaram, Chatchote Thitaram, Chatchote Thitaram