Ahmed, S., and A.- ur-. Rahman. “EFFECT OF AQUEOUS EXTRACT OF AVICINNIA MARINA ON MYOCARDIAL CONTRAC- TION OF ISOLATED MAMMALIAN HEART”. Biological Sciences - PJSIR, vol. 47, no. 5, Oct. 2004, pp. 390-3, http://v2.pjsir.org/index.php/biological-sciences/article/view/1557.