TY - RPRT TI - Basic variables at different positivity thresholds of a quantitative immunochemical test for faecal occult blood. AU - G Castiglione AU - G Grazzini AU - G Miccinesi AU - T Rubeca AU - C Sani AU - P Turco AU - M Zappa PY - 2002 DO - 10.1136/jms.9.3.99 UR - https://pubmed.ncbi.nlm.nih.gov/12370319/ ID - 12370319 ER -