Basu, R.N.
Eradication of smallpox from India edited by:Jezek, ZWard, N. A. - New Delhi World Health Organization South East Asi 1979 - xv, 346p.
614.521 BAS-E
Eradication of smallpox from India edited by:Jezek, ZWard, N. A. - New Delhi World Health Organization South East Asi 1979 - xv, 346p.
614.521 BAS-E