/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: EssamElsayed15 https://cdn.slidesharecdn.com/profile-photo-EssamElsayed15-48x48.jpg?cb=1567930050 I am Dr. Essam El-Sayed Abdel-Rafaa, Consultant/Faculty of Occupational & Environmental Medicine. My key qualifications are that I have •Thirteen years of experience in the field of Occupational & Environmental Medicine (OEM) during which I worked as a faculty (now a lecturer) of Occupational and Environmental Medicine (OEM) Department, Faculty of Medicine - Cairo University. •Seven years of experience as an Independent (freelancer) Occupational and Environmental Health Specialist/Consultant providing private occupational health-related services and consultation, currently for AUC, Egypt. •Thirteen years of experience in the field of Pulmonary Function Testing during which I worked as a s...