Two grey collie dogs had regular cyclic fluctuations in the number of all formed elements of the blood. The period lengths for all elements for an individual dog were the same, but the pattern of fluctuation for each element was distinctive. Normal dogs lacked periodic fluctuations.
David C. Dale, David W. Alling, Sheldon M. Wolff
2197 | 2198 | 2199 | 2200 | 2201 | 2202 | 2203 | 2204 |