APA

Silver R. M., Pierangeli S. S., Edwin S. S., Umar F., Harris E. N., Scott J. R. & Branch D. W. (19970410). Pathogenic antibodies in women with obstetric features of antiphospholipid syndrome who have negative test results for lupus anticoagulant and anticardiolipin antibodies. : American journal of obstetrics and gynecology.

Chicago

Silver R M, Pierangeli S S, Edwin S S, Umar F, Harris E N, Scott J R and Branch D W. 19970410. Pathogenic antibodies in women with obstetric features of antiphospholipid syndrome who have negative test results for lupus anticoagulant and anticardiolipin antibodies. : American journal of obstetrics and gynecology.

Harvard

Silver R. M., Pierangeli S. S., Edwin S. S., Umar F., Harris E. N., Scott J. R. and Branch D. W. (19970410). Pathogenic antibodies in women with obstetric features of antiphospholipid syndrome who have negative test results for lupus anticoagulant and anticardiolipin antibodies. : American journal of obstetrics and gynecology.

MLA

Silver R M, Pierangeli S S, Edwin S S, Umar F, Harris E N, Scott J R and Branch D W. Pathogenic antibodies in women with obstetric features of antiphospholipid syndrome who have negative test results for lupus anticoagulant and anticardiolipin antibodies. : American journal of obstetrics and gynecology. 19970410.