00771nas a2200277   4500000000100000008004100001260001300042653002800055653001400083653003200097653001100129653002000140653001700160653002700177653001800204653002400222653001300246653001500259653001900274653001600293653003000309245012500339300000900464490000600473022001400479       1985                            d  c1985 Sep10aDelivery of Health Care10aEconomics10aEvaluation Studies as Topic10aHealth10aHealth Services10aImmunization10aInternational Agencies10aOrganizations10aPrimary Health Care10aResearch10aTechnology10aUnited Nations10aVaccination10aWorld Health Organization00aNew approaches to vaccine development. Proceedings of a meeting organized by the World Health Organization. Book review.  a6, 80 v6  a0731-7220