00309nas a2200145 4500000000100000008004100001260001300042653001100055653001200066100001300078245004300091300000800134490000700142022001400149 1975 d c1975 Dec10aHumans10aleprosy1 aLong E R00aThe concept of polar forms of leprosy. a7400 v14 a0011-9059