TY - BOOK AU - Eman Hawash Ibrahim, AU - Gamal Hosny El Samra AU - Mohamed Awad AU - Olfat Farag Mohamed Ali TI - Serum Ionized calcium level and some biochemical changes in workers exposed for prolonged periods to ammonia in the fertilizer industry PY - 1995/// KW - Serum Ionized calcium KW - some biochemical changes in workers exposed for prolonged periods to ammonia in the fertilizer industry N1 - Thesis (Ph.D)-Cairo University, 1995; Bibliography: pages 85-99 ER -