title: Absence of close linkage between acute intermittent porphyria and the ABO, Rh, P, acid phosphatase, Pr, orosmucoid and pepsinogen loci.
mesh_terms: D000135:Acid Phosphatase / Q000235:genetics; D001789:Blood Group Antigens / Q000235:genetics; D002874:Chromosome Mapping; D005260:Female; D008040:Genetic Linkage; D005819:Genetic Markers; D006801:Humans; D011163:Hydroxymethylbilane Synthase / Q000235:genetics; D008126:Lod Score; D008297:Male; D009961:Orosomucoid / Q000235:genetics; D010375:Pedigree; D010435:Pepsinogens / Q000235:genetics; D011164:Porphyrias / Q000235:genetics*
chemical_list: D001789:Blood Group Antigens; D005819:Genetic Markers; D009961:Orosomucoid; D010435:Pepsinogens; D011163:Hydroxymethylbilane Synthase; D000135:Acid Phosphatase