Quantitative profiling of 6-keto-prostaglandin Flα, 2,3-dinor-6-keto-prostaglandin Flα, thromboxane B2 and 2,3-dinor-thromboxane B2 in human and rat urine by immunoaffinity extraction with gas chromatography mass spectrometry - Chiabrando, C; Pinciroli, V; Campoleoni, A; Benighi, A; Picinelli, A; Fanelli, R (J Chromatogr Biomed Appl, 1989)