“…The search yielded 36 articles, eight of which related specifically to the PAMG-1 test [5, 8, 29 -31, 36, 37, 43] , 24 to the IGFBP-1 test [1, 6, 9, 11, 14, 16, 18, 19, 21, 23, 24, 26 -28, 32 -34, 38, 40, 42, 46, 47, 49, 50] , and seven that were related to both [2,7,13,25,39,44,45] . The supplementary search of proceedings of perinatal meetings yielded three abstracts, all of which related specifically to the PAMG-1 test [31,36,43] .…”