John E. Peterson, M.D.
In a study of 33 cases of serous effusion it would appear that determination of the sugar content of the pleural fluid may provide an early clue to the etiologic diagnosis.
Peterson, John E.
"Quantitative Sugar Estimations in Pleural Fluid - An Aid to Diagnosis,"
Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists: Vol. 2
, Article 4.
Available at: http://scholarsrepository.llu.edu/medartssciences/vol2/iss4/4