Measurement of human plasma hemoglobin by difference spectrophotometry.
D006349:Heart Valve Diseases / Q000097:blood; D006350:Heart Valve Prosthesis; D006452:Hemoglobinometry; D006453:Hemoglobinopathies / Q000097:blood; D006801:Humans; D008722:Methods; D005082:Physical Exertion; D013053:Spectrophotometry