S. Tomczak et al., SERUM PLACENTAL PROTEIN-14 (PP14) LEVELS IN PATIENTS WITH THREATENED-ABORTION, Archives of gynecology and obstetrics, 258(4), 1996, pp. 165-169
Serum placenta protein 14 (PP14) were significantly lower serum levels
in patients with threatened abortion at 10 to 20 weeks controls than
in normal (normal group, n=133, median: 52,0 mu g/l [16-83, SD: 17,9],
risk group: n=20, median: 34,0 mu g/l [13-63, SD: 13,7]).