title: Gm allotypes and IgG subclass levels in Iraqi Arabs.
mesh_terms: D005006:Ethnicity; D005819:Genetic Markers; D006720:Homozygote; D006801:Humans; D007126:Immunoglobulin Allotypes / Q000235:genetics*; D007074:Immunoglobulin G / Q000235:genetics*; D007493:Iraq
chemical_list: D005819:Genetic Markers; D007126:Immunoglobulin Allotypes; D007074:Immunoglobulin G