A method and specimen slide for obtaining fecal occult blood specimens. The slide includes first and second portions each including front and back panels. The first portion includes one or more apertures formed through its front panel which exposes a reagent-carrying sheet and the back panel of the first...http://www.google.ca/patents/US5100619?utm_source=gb-gplus-sharePatent US5100619 - Device and method for collecting fecal occult blood specimens
