00542nam a2200145Ia 4500008004100000040001700041082002200058110004100080245000800121260003100129300000900160440002800169500012100197650007800318190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta311.2bI39N  aIndia. National Sample Survey Office 0aNSS  aCalcuttabThe Authorc1968  a25p.  aTechnical paper; no. 28  aTechnical paper no. 28 on some aspects of morbidity surveys in the Indian national sample survey R P Saha and A K De  aSampling (Statistics); Surveys; Diseases-India; Corporation reports-India