title: Serum adenosine deaminase activity in the differentiation of respiratory diseases in children.
mesh_terms: D000243:Adenosine Deaminase / Q000097:blood*; D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D009700:Nucleoside Deaminases / Q000097:blood*; D011014:Pneumonia / Q000175:diagnosis* / Q000201:enzymology; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis* / Q000201:enzymology
chemical_list: D009700:Nucleoside Deaminases; D000243:Adenosine Deaminase