TY - GEN AU - Khan,M A TI - Ankylosing spondylitis and heterogeneity of HLA-B27 SN - 0049-0172 PY - 1989///0301 KW - HLA-B Antigens KW - genetics KW - HLA-B27 Antigen KW - Humans KW - Spondylitis, Ankylosing N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.; Review UR - https://doi.org/10.1016/0049-0172(88)90006-6 ER -