TY - JOUR KW - Down Syndrome KW - Hepatitis A KW - Hepatitis B virus KW - Humans KW - leprosy KW - Mexico KW - Phenotype AU - Salazar-Mallén M AU - Escobar A AU - Somolinos-Palencia J BT - Gaceta medica de Mexico C1 - http://www.ncbi.nlm.nih.gov/pubmed/4256977?dopt=Abstract DA - 1970 Oct IS - 10 J2 - Gac Med Mex LA - spa PY - 1970 SP - 1053 EP - 6 T2 - Gaceta medica de Mexico TI - [Genes, hepatitis and Australian antigen]. VL - 100 SN - 0016-3813 ER -