00369nas a2200157 4500000000100000008004100001260001900042653001100061653001200072653001300084100001200097245007000109300001000179490000800189022001400197 1952 d c1952 Apr 22-2910aAfrica10aleprosy10aSulfones1 aFLOCH H00a[Sulfone-retard in the therapy of leprosy and its use in Africa]. a221-50 v136 a0001-4079