00313pab a2200121 454500008004000000100001900040245005000059260000900109300001300118362001000131650001600141773003400157180718b2011   xxu||||| |||| 00| 0 eng d  aPuliyel, Jacob  aVaccine policy and advance market commitments  c2011  ap.18-19.  a5 Nov  aVaccination  aEconomic and Political Weekly