TY - BOOK AU - Koh,David AU - Aw,Tar-Ching TI - Textbook of occupational medicine practice SN - 9789813200692 (hardcover : alk cover) PY - 2017/// CY - New Jersey PB - World Scientific Publishing Co. Pte. Ltd. KW - Occupational diseases KW - Occupational Health KW - Occupational Medicine KW - methods ER -