00310pab a2200121 454500008004000000100002000040245004900060260000900109300001300118362001100131650001200142773003400154180718b2013   xxu||||| |||| 00| 0 eng d  aGopaKumar, K.M.  aThe need to curb patents on known substances  c2013  ap.55-57.  a10 Aug  aPatents  aEconomic and Political Weekly