00390nas a2200157   4500000000100000008004100001260001300042653001800055653001100073653001200084653001800096245008600114300001100200490000700211022001400218       1951                            d  c1951 Dec10aEthnic Groups10aHumans10aleprosy10aUnited States00a[3d Pan-American Conference in Leprosy held at Buenos Aires, 9-15 December 1951].  a255-700 v19  a0034-7248