An ortho-tolidine hydrochloride test for the detection of occult blood in faeces without dietary restrictions.
D001713:Biphenyl Compounds; D006801:Humans; D007202:Indicators and Reagents; D009780:Occult Blood
D001713:Biphenyl Compounds; D007202:Indicators and Reagents
Br Med J. 1951 Sep 29;2(4734):774-5
14869717
Br Med J. 1958 Jun 7;1(5083):1336-8
13536494
Br Med J. 1955 Jun 25;1(4929):1511-3
14378612