00428pab a2200157 454500008004000000100001900040245009700059260000900156300001300165362000800178650002800186650001000214700001600224700001900240773001100259180718b2018   xxu||||| |||| 00| 0 eng d  aMahajan, Varun  aEfficiency and its determinants: panel data evidence from the Indian pharmaceutical industry  c2018  ap.19-40.  aFeb  aPharmaceutical industry  aDrugs  aSingh, S.P.  aNauriyal, D.K.  aMargin