Posttraumatic Stress Disorder and Obstructive Sleep Apnoea among Fishermen / Dalia Abdallah El-Shafei [et al.] Bibliogr.: p. 97-101. - Abstr. eng. In: Central European Journal of Occupational and Environmental Medicine. - ISSN 1219-1221. - 2017. 23. évf. 1-2. sz., p. 86-101. : ill.