Method of collecting a gastrointestinal tract sample
AU3134400A
Sample collection and testing system
BR9915384A
Methods for detecting the presence of blood in a biological sample, for detecting lower gastrointestinal bleeding, for detecting bleeding in the upper gastrointestinal tract, for diagnosing disease conditions, and for detecting the presence of an analyte in a biological sample
AU1535800A
A method of detecting the presence of an analyte in a biological sample
