TY - RPRT TI - HL-A antigens and multiple sclerosis. AU - C L Cazzullo AU - E Smeraldi PY - 1972 DO - 10.1016/s0140-6736(72)91826-0 UR - https://pubmed.ncbi.nlm.nih.gov/4115248/ ID - 4115248 ER -