EFFECT OF AQUEOUS EXTRACT OF AVICINNIA MARINA ON MYOCARDIAL CONTRAC- TION OF ISOLATED MAMMALIAN HEART. Pakistan Journal of Scientific & Industrial Research [Internet]. 2004 Oct. 25 [cited 2026 Apr. 25];47(5):390-3. Available from: http://www.v2.pjsir.org/index.php/biological-sciences/article/view/1557