00370nas a2200145   4500000000100000008004100001260001300042653001100055653001200066100001500078245010000093300001000193490000700203022001400210       1950                            d  c1950 Nov10aHumans10aleprosy1 aROMERO L A00a[Studies on contacts who were infected with leprosy in the period between 1946 to August 1950].  a274-70 v17  a0034-9909