title: Adenosine deaminase deficiency: another family with "silent" ADA allele and normal ADA activity in two heterozygotes.
mesh_terms: D000243:Adenosine Deaminase / Q000235:genetics*; D000483:Alleles; D005260:Female; D005838:Genotype; D006579:Heterozygote; D006801:Humans; D008297:Male; D009700:Nucleoside Deaminases / Q000235:genetics*; D010375:Pedigree
chemical_list: D009700:Nucleoside Deaminases; D000243:Adenosine Deaminase