Yajnik, V HNandi, J SKarvadia, S V1982-02-012009-05-311982-02-012009-05-311982-02-01Yajnik VH, Nandi JS, Karvadia SV. Penbutolol in hypertension--single daily doses versus divided dosage schedule. Journal of the Association of Physicians of India. 1982 Feb; 30(2): 85-8http://imsear.searo.who.int/handle/123456789/92930engAdultBlood Pressure --drug effectsClinical Trials as TopicDrug Administration ScheduleHumansHypertension --drug therapyPenbutolol --administration & dosagePropanolamines --administration & dosagePenbutolol in hypertension--single daily doses versus divided dosage schedule.Clinical Trial