Evaluation of a rapid strip test for insulin-like growth factor binding protein-1 in the diagnosis of ruptured fetal membranes - Rutanen,E.M.; Kärkkäinen,T.H.; Lehtovirta,J.; Uotila,J.T.; Hinkula,M.K.; Hartikainen,A.L. (Clin Chim Acta, 1996)