Apilado, Maripaz D. Occupational health conditions in hospitals in the City of San Fernando, La union / Maripaz D. Apilado. - City of San Fernando, La Union : [s.n.], 2017. - xii, 102 pages : illustration ; 28 centimeter. Bibliography: pages 83-85. Subjects--Topical Terms: Occupational health services. Dewey Class. No.: TH 331.25 Ap3o 2017