Circadian variations of plasminogen activator activity, tissue-type plasminogen activator antigen, plasminogen activator inhibition and plasmin inhibition in rat aorta, heart and brain are influenced by endotoxin or aspirin or endotoxin plus aspirin - Kolokis, N; Rekkas, C; Tsandarliotou, M; Smokovitis, A (Haemost, 1995)