APA

Anderson G. L., Judd H. L., Kaunitz A. M., Barad D. H., Beresford S. A. A., Pettinger M., Liu J., McNeeley S. G. & Lopez A. M. (20031007). Effects of estrogen plus progestin on gynecologic cancers and associated diagnostic procedures: the Women's Health Initiative randomized trial. : JAMA.

Chicago

Anderson Garnet L, Judd Howard L, Kaunitz Andrew M, Barad David H, Beresford Shirley A A, Pettinger Mary, Liu James, McNeeley S Gene and Lopez Ana Maria. 20031007. Effects of estrogen plus progestin on gynecologic cancers and associated diagnostic procedures: the Women's Health Initiative randomized trial. : JAMA.

Harvard

Anderson G. L., Judd H. L., Kaunitz A. M., Barad D. H., Beresford S. A. A., Pettinger M., Liu J., McNeeley S. G. and Lopez A. M. (20031007). Effects of estrogen plus progestin on gynecologic cancers and associated diagnostic procedures: the Women's Health Initiative randomized trial. : JAMA.

MLA

Anderson Garnet L, Judd Howard L, Kaunitz Andrew M, Barad David H, Beresford Shirley A A, Pettinger Mary, Liu James, McNeeley S Gene and Lopez Ana Maria. Effects of estrogen plus progestin on gynecologic cancers and associated diagnostic procedures: the Women's Health Initiative randomized trial. : JAMA. 20031007.