E. Hughes

Oral anti-oestrogens and medical adjuncts for subfertility associated with anovulation.

C. Farquhar, E. Hughes, J. Beck, 2005, The Cochrane database of systematic reviews.

Clomiphene or tamoxifen for idiopathic oligo/asthenospermia.

R. Lilford, P. Vandekerckhove, A. Vail, 1996, The Cochrane database of systematic reviews.