A guidebook to plant screening : phytochemical and biological / Beatrice Q. Guevara, editor. - Philippines : Research Center for the Natural Sciences University of Santo Tomas, 2004. - 151 pages : illustrations ; 26 cm. Includes bibliographical references. ISBN: 9715062636 Pbk. Bp. Subjects--Topical Terms: Botanical chemistry -- Philippines. Plants -- Philippines -- Analysis. LC Class. No.: QK 865 G84 2004 F CHS