TY - RPRT TI - External quality assessment program for Chlamydia trachomatis diagnostic testing by nucleic acid amplification assays. AU - Sally Land AU - Sepehr Tabrizi AU - Anthony Gust AU - Elizabeth Johnson AU - Susan Garland AU - Elizabeth M Dax PY - 2002 DO - 10.1128/jcm.40.8.2893-2896.2002 UR - https://pubmed.ncbi.nlm.nih.gov/12149347/ ID - 12149347 ER -