Qureshi, U. A., K. Bashir, and M. Rasool. “Diagnostic Utility and Impact of Ultrasonography by Primary Health Care Physician: An Observational Study”. International Journal Of Community Medicine And Public Health, vol. 6, no. 4, Mar. 2019, pp. 1707-11, doi:10.18203/2394-6040.ijcmph20191409.