00348nas a2200157   4500000000100000008004100001260001300042653001800055653001100073653001200084653001800096245004500114300001000159490000700169022001400176       1951                            d  c1951 Dec10aEthnic Groups10aHumans10aleprosy10aUnited States00a[3d Pan-American Conference on Leprosy].  a201-20 v19  a0034-7248