00414nas a2200169   4500000000100000008004100001260001600042653001900058653002100077653001200098653001300110100001900123245007000142300001000212490000800222022001400230       1962                            d  c1962 Apr 1910aDrug Tolerance10aImmune Tolerance10aleprosy10aThiourea1 aZAVALA SAENZ A00a[Trial of the tolerance to diphenylthiourea in leprosy patients].  a734-70 v120  a0370-9590