Pal, SSengupta, S K2009-05-282009-05-281980-09-01Pal S, Sengupta SK. Breast cancer in West Bengal an epidemiological study 1969-72. Indian Journal of Cancer. 1980 Sep; 17(3): 153-8http://imsear.searo.who.int/handle/123456789/50291engAdultAge FactorsAgedBreast Neoplasms --epidemiologyCarcinoma --epidemiologyFemaleHumansIndiaMiddle AgedRural HealthSocial ClassUrban HealthComparative Study