ovarian cysts
Patients with ovarian       cysts had higher serum E2 levels compared to patients without cysts (1.95 vs 0.05       nmol l(-1); P < 0.001).
 @OBJECT$   @PREDICAT$   @SUBJECT$  had higher serum E2 levels compared to patients without cysts (1.95 vs 0.05       nmol l(-1); P < 0.001).