Relationship between circulating human chorionic gonadotropin levels and premature luteinization in cycles of controlled ovarian hyperstimulation
Copperman AB, Horowitz GM, Kaplan P, Scott RT, Navot D, Hofmann GE.
Relationship between circulating human chorionic gonadotropin levels and premature luteinization in cycles of controlled ovarian hyperstimulation.
Fertil Steril 1995; 63:1267-71.