Ahad, Abdul Systemic delivery of β-blockers via transdermal route for hypertension. [electronic resource] - Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society Nov 2015 - 587-602 p. digital Publication Type: Journal Article; Review ISSN: 1319-0164 Standard No.: 10.1016/j.jsps.2013.12.019 doi