TY - JOUR T1 - PRiority in technic for preservation of serum AU - Harrison LW Y1 - 1939/04/15 N1 - 10.1001/jama.1939.02800150096020 JO - Journal of the American Medical Association SP - 1524 EP - 1524 VL - 112 IS - 15 N2 - To the Editor:—  In The Journal, January 14, page 134, Dr. Leon Friedman stated that "Riehl and Schereschewsky in 1919 were the first to use glass capillary pipets, sealed by fusing in a flame, to preserve specimens of serum" for examination of Spirochaeta pallida.I have seen priority in this useful method of preserving specimens containing Spirochaeta pallida credited to so many workers that I am at last impelled to state that I first used it in 1909 at the Military Hospital, Rochester Row, London, for preservation of specimens for teaching purposes, and it was described and illustrated in my "Diagnosis and Treatment of Venereal Diseases in General Practice," first published in January 1918.In connection with the observation of Riehl, quoted by Dr. Friedman, that in such conditions Spirochaeta pallida remained motile up to fourteen days after collection, it may be of interest to recall that this time was SN - 0002-9955 M3 - doi: 10.1001/jama.1939.02800150096020 UR - http://dx.doi.org/10.1001/jama.1939.02800150096020 ER -