Bhatia, M L1978-04-012009-05-311978-04-012009-05-311978-04-01Bhatia ML. The challenge of hypertension. Journal of the Indian Medical Association. 1978 Apr; 70(7): 165-6http://imsear.searo.who.int/handle/123456789/96301engHumansHypertension --epidemiologyIndiaThe challenge of hypertension.Editorial