Chemical testing of occult blood in faeces: "haematest", "occultest", and guaiac testing correlated with chromium estimation of faecal blood loss.
D002859:Chromium Isotopes; D004032:Diet; D004912:Erythrocytes; D005189:False Positive Reactions; D006138:Guaiac; D006452:Hemoglobinometry; D006801:Humans; D008297:Male; D008722:Methods; D009780:Occult Blood
D002859:Chromium Isotopes; D006138:Guaiac