1. The effect of various surgical procedures upon the acidity of the gastric contents of ulcer patients;Farmer;Ann. Surg.,1951
2. Observations upon peptic activity of the gastric contents in normal individuals and in patients with peptic ulceration;Farmer,1953
3. The use of azoalbumin as a substrate in the colorimetric determination of peptic and tryptic activity;Tomarelli;J. Lab. & Clin. Med.,1949
4. A note on the azoalbumin method for the determination of peptic activity;Mager;J. Lab. & Clin. Med.,1953