Introduction. Aging is a complex, multifactorial process that affects every organ in the body, including the skin. 1,2 Clinically, aged skin is characterized as thin, dry, and pale, with noticeable wrinkles and decreased elasticity. 3,4 The histological changes associated with aging in skin include the accumulation of elastotic material in the papillary and mid-dermis, a process known as solar ...
دليل بتروترين لشركات البترول العامله فى مصر 2018Petroleum . The petrotrain new pocket english and arabic directory is designed chiefly to provide the needs for business in all petroleum companies in Egypt and service companies in oil industry the directory gives clear activity of each petroleum company and easy to contact with any petroleum company in Egypt.