TY - JOUR KW - Antigens, Bacterial KW - Bacterial Proteins KW - Carbohydrates KW - Cross Reactions KW - Cytoplasm KW - Diagnosis, Differential KW - Humans KW - Hypersensitivity, Delayed KW - leprosy KW - Mexico KW - Nocardia KW - Nocardia Infections KW - Nocardia asteroides KW - Nucleic Acids KW - Rural Population KW - Skin Tests KW - Tuberculosis AU - Ortiz-Ortiz L AU - Bojalil L F BT - Clinical and experimental immunology C1 - http://www.ncbi.nlm.nih.gov/pubmed/4567647?dopt=Abstract DA - 1972 Oct IS - 2 J2 - Clin. Exp. Immunol. LA - eng PY - 1972 SP - 225 EP - 9 T2 - Clinical and experimental immunology TI - Delayed skin reactions to cytoplasmic extracts of Nocardia organisms as a means of diagnosis and epidemiological study of Nocardia infection. VL - 12 SN - 0009-9104 ER -