Hard and soft data: a semiotic point of view.
Adler
R H
RH
D000368:Aged; D003404:Creatinine / Q000097:blood; D003937:Diagnosis, Differential; D006801:Humans; D007600:Judgment; D008297:Male; D010808:Physical Examination; D011655:Pulmonary Embolism / Q000175:diagnosis
D003404:Creatinine