TY - RPRT TI - A new method using simple solid phase extraction for the rapid gas-chromatographic mass-spectrometric determination of 11-dehydro-thromboxane B2 in urine. AU - R Lorenz AU - P Helmer AU - W Uedelhoven AU - B Zimmer AU - P C Weber PY - 1989 DO - 10.1016/0090-6980(89)90079-8 UR - https://pubmed.ncbi.nlm.nih.gov/2772221/ ID - 2772221 ER -