APA

Stjernholm Y. M., Sahlin L., Eriksson H. A., Byström B. E., Stenlund P. M. & Ekman G. E. (19990902). Cervical ripening after treatment with prostaglandin E2 or antiprogestin (RU486). Possible mechanisms in relation to gonadal steroids. : European journal of obstetrics, gynecology, and reproductive biology.

Chicago

Stjernholm Y M, Sahlin L, Eriksson H A, Byström B E, Stenlund P M and Ekman G E. 19990902. Cervical ripening after treatment with prostaglandin E2 or antiprogestin (RU486). Possible mechanisms in relation to gonadal steroids. : European journal of obstetrics, gynecology, and reproductive biology.

Harvard

Stjernholm Y. M., Sahlin L., Eriksson H. A., Byström B. E., Stenlund P. M. and Ekman G. E. (19990902). Cervical ripening after treatment with prostaglandin E2 or antiprogestin (RU486). Possible mechanisms in relation to gonadal steroids. : European journal of obstetrics, gynecology, and reproductive biology.

MLA

Stjernholm Y M, Sahlin L, Eriksson H A, Byström B E, Stenlund P M and Ekman G E. Cervical ripening after treatment with prostaglandin E2 or antiprogestin (RU486). Possible mechanisms in relation to gonadal steroids. : European journal of obstetrics, gynecology, and reproductive biology. 19990902.