Isolation and Identification of Vomifoliol from Two Endemic Philippine Rubiaceae Species, Psychotria gitingensis and Villaria odorata MA Tan, JA Eusebio, RAP Villacorta, N Kogure, H Takayama, ... Asia Pacific Journal of Science, Mathematics and Engineering (APJSME) 1 (1), 1-3, 2013 | 3 | 2013 |