TY - JOUR KW - Adolescent KW - Adult KW - Aged KW - Bacteriological Techniques KW - Humans KW - leprosy KW - Middle Aged KW - Mycobacterium leprae AU - CONTRERAS RUBIO F BT - Actas dermo-sifiliograficas C1 - http://www.ncbi.nlm.nih.gov/pubmed/4919200?dopt=Abstract DA - 1969 Jan-Feb IS - 1 J2 - Actas Dermosifiliogr LA - spa PY - 1969 SP - 15 EP - 26 T2 - Actas dermo-sifiliograficas TI - [Bacteriologic study of negative cases of leprosy and of normal persons with a new concentration method]. VL - 60 SN - 0001-7310 ER -