Alawi, A.-A.A. and Alshabahi, S.H.Z. 2018. Analysis requests for sonography examination made by emergency residents in Algamhuria Modern General Hospital- Aden -Yemen. University of Aden Journal of Natural and Applied Sciences. 22, 2 (Oct. 2018), 457–461. DOI:https://doi.org/10.47372/uajnas.2018.n2.a18.