AHMAD, I., QAYYUM, S., AHMAD, I., QAMAR, R. and CHAGANI, M. 2012. SPHYGMOMANOMETERS IN CLINICAL USE: ARE THEY RELIABLE?. Pakistan Heart Journal. 42, 1-2 (May 2012). DOI:https://doi.org/10.47144/phj.v42i1-2.23.