RAMOS, J. L. T.; CASTRO-CRUZ, K. A. D.; HSIEH, C.-L.; HSIEH, C.-L.; TSAI, P.-W. CHEMICAL CONTENT ANALYSIS AND ANTIOXIDANT ACTIVITY OF TRADITIONAL PHILIPPINE HERBAL FORMULA (PITO-PITO). PLANT CELL BIOTECHNOLOGY AND MOLECULAR BIOLOGY, v. 22, n. 7-8, p. 34-52, 12 fev. 2021.