Urine beta-thromboglobulin concentration or beta-thromboglobu-lin/creatinine ratio in single voided urine samples cannot be reliably used to estimate quantitative beta-thromboglobulin excretion - Musumeci, V; Rosa, A; Caruso, A; Zappacosta, B; Turtinelli, F; Zuppi, C (Thromb Haemostas, 1986)