Tan, M. L. (1987). Usug, kulam, pasma: Traditional concepts of health and illness in the Philippines. Alay Kapwa Kilusang Pangkalusugan.
Dyfyniad Arddull ChicagoTan, Michael L. Usug, Kulam, Pasma: Traditional Concepts of Health and Illness in the Philippines. Quezon City: Alay Kapwa Kilusang Pangkalusugan, 1987.
Dyfyniad MLATan, Michael L. Usug, Kulam, Pasma: Traditional Concepts of Health and Illness in the Philippines. Alay Kapwa Kilusang Pangkalusugan, 1987.
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