00442nas a2200157   4500000000100000008004100001260001300042653002400055653001100079653001200090100002100102245012900123300001100252490000700263022001400270       1953                            d  c1953 May10aBiomedical Research10aHumans10aleprosy1 aTRAGANT CARLES J00a[Activities in prevention of leprosy at the Dispensario Central de la Lucha Antivénerea in Barcelona during the year 1952].  a641-500 v44  a0001-7310