S. Goel, V. K. Srivastava, S. Nigam, S. C. Saxena, P. Varma, and R. P. Sharma, “STUDY OF MORBIDITY PATTERN IN GERIATRIC POPULATION AND CORRELATION OF HOUSING CONDITIONS WITH RELEVANT MORBIDITIES IN A RURAL AREA OF KANPUR”, Indian J Community Health, vol. 20, no. 1, pp. 43–46, Jun. 2008.