00509nas a2200205 4500000000100000008004100001260001300042653001600055653001100071653002700082653001300109653001200122653001200134653001000146100001800156245009700174300001100271490000700282022001400289 1972 d c1972 Jul10aBCG Vaccine10aHumans10aImmunologic Techniques10aLepromin10aleprosy10aMethods10aSpain1 aPerez Perez B00a[Use of diluted lepromin for the study of people that are in contact with leprosy patients]. a615-290 v46 a0034-8899