title: 4th International Conference on Human Leucocyte Differentiation Antigens. Vienna, February 21-25, 1989. Abstracts.
mesh_terms: D000818:Animals; D000943:Antigens, Differentiation; D006801:Humans; D007125:Immunogenetics; D007962:Leukocytes / Q000276:immunology*
chemical_list: D000943:Antigens, Differentiation