The authors of the paper in question responded as follows:

Open Access

1 November 1975

journal article
research article
Published by Oxford University Press (OUP) in Clinical Chemistry

Vol. 21 (12) , 1845-1846
https://doi.org/10.1093/clinchem/21.12.1845b

Abstract

Philip D Henry, Robert Roberts, Burton E Sobel; The authors of the paper in question responded as follows:, Clinical Chemistry, Volume 21, Issue 12, 1 November