APA

Zlatnik F. J., Burmeister L. F., Feddersen D. A. & Brown R. C. (19891220). Radiologic appearance of the upper cervical canal in women with a history of premature delivery. II. Relationship to clinical presentation and to tests of cervical compliance. : The Journal of reproductive medicine.

Chicago

Zlatnik F J, Burmeister L F, Feddersen D A and Brown R C. 19891220. Radiologic appearance of the upper cervical canal in women with a history of premature delivery. II. Relationship to clinical presentation and to tests of cervical compliance. : The Journal of reproductive medicine.

Harvard

Zlatnik F. J., Burmeister L. F., Feddersen D. A. and Brown R. C. (19891220). Radiologic appearance of the upper cervical canal in women with a history of premature delivery. II. Relationship to clinical presentation and to tests of cervical compliance. : The Journal of reproductive medicine.

MLA

Zlatnik F J, Burmeister L F, Feddersen D A and Brown R C. Radiologic appearance of the upper cervical canal in women with a history of premature delivery. II. Relationship to clinical presentation and to tests of cervical compliance. : The Journal of reproductive medicine. 19891220.