Elhabiby, M. I., Mustafa, A. M. A., Mohieldein, A. H. and Elnabaheen, E. M. (2020) “Copper and Magnesium Deficiency are Associated with Osteoporosis in Southern Gaza Patients”, European Scientific Journal, ESJ, 16(21), p. 196. doi: 10.19044/esj.2020.v16n21p196.