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pro vyhledávání: '"El Tayeb Im"'
Autor:
El Tayeb Im
Publikováno v:
IOSR Journal of Dental and Medical Sciences. 12:77-83
Background:Vitamin D deficiency, is an epidemic problem, and has been proved to be associated with low bone mineral density (BMD) especially in females even in most sunny countries. Solar ultraviolet (UV) rays is the main source of 25-hydroxyvitamin
Publikováno v:
Egyptian Journal of Occupational Medicine. 37:47-59
Introduction: Musculoskeletal disorders (MSDs) have been identified as a major health concern affecting sizeable segments of the general and working populations. A limited number of studies have particularly explored the prevalence and causes of MSDs