R. J. Abernethy, R. M. Ross, A. G. Cox, A. W. Kay, I. E. Gillespie
Abernethy R J, Ross R M, Cox A G, Kay A W, Gillespie I E.
Comparison of methods of expressing the results of augmented histamine tests.
Br Med J 1967; 3 :205
doi:10.1136/bmj.3.5559.205