APA

Chaffkin L. M., Nulsen J. C., Luciano A. A. & Metzger D. A. (19910308). A comparative analysis of the cycle fecundity rates associated with combined human menopausal gonadotropin (hMG) and intrauterine insemination (IUI) versus either hMG or IUI alone. : Fertility and sterility.

Chicago

Chaffkin L M, Nulsen J C, Luciano A A and Metzger D A. 19910308. A comparative analysis of the cycle fecundity rates associated with combined human menopausal gonadotropin (hMG) and intrauterine insemination (IUI) versus either hMG or IUI alone. : Fertility and sterility.

Harvard

Chaffkin L. M., Nulsen J. C., Luciano A. A. and Metzger D. A. (19910308). A comparative analysis of the cycle fecundity rates associated with combined human menopausal gonadotropin (hMG) and intrauterine insemination (IUI) versus either hMG or IUI alone. : Fertility and sterility.

MLA

Chaffkin L M, Nulsen J C, Luciano A A and Metzger D A. A comparative analysis of the cycle fecundity rates associated with combined human menopausal gonadotropin (hMG) and intrauterine insemination (IUI) versus either hMG or IUI alone. : Fertility and sterility. 19910308.