1. The value of the leucocyte count in the diagnosis of acute appendicitis
2. An assessment of the value of the white cell count in the management of suspected acute appendicitis
3. Statland BE, Winkel P.: Physiological variability of leukocytes in healthy subjects. In, Koepke JA, ed: Differential Leukocyte Counting . Aspen, Colo: CAP Conference, 1977, pp 23-37
4. Boggs DR: Response of blood leukocytes to common stimuli. In, Koepke JA, ed: Differential Leukocyte Counting . Aspen, Colo: CAP Conference, 1977 , pp 47-52
5. Rumke CL: The statistically expected variability in differential leukocyte counting . In, Koepke JA, ed: Differential Leukocyte Counting. Aspen, Colo: CAP Conference, 1977, pp 39-45