RT Journal
A1 Harrison LW
T1 PRiority in technic for preservation of serum
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1939
FD April 15
VO 112
IS 15
SP 1524
OP 1524
DO 10.1001/jama.1939.02800150096020
UL http://dx.doi.org/10.1001/jama.1939.02800150096020
AB 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