00297nam a2200121Ia 4500008004000000020001800040082001600058100002400074245002300098260003700121300000800158650000900166210210b1992   xxu||||| |||| 00| 0 eng d  a81 237 0175 6  a616.94 PAVC  aPAVRI (Khorshed M).  aChallenge of aids.  aIndiabNational Book Trustc1992  a118  aAIDS