Sogani, R K1987-04-012009-05-301987-04-012009-05-301987-04-01Sogani RK. Pan masala: is it really safe? Journal of the Association of Physicians of India. 1987 Apr; 35(4): 317http://imsear.searo.who.int/handle/123456789/87095engAdultArecaFemaleHumansIndiaMaleMiddle AgedPlants, MedicinalCase Reports