by Baird, David T., Cameron, S.T., Critchley, H.O.D., Drudy, T.A., Howe, A., Jones, R.L., Lea, R.G., Kelly, R.W.
Published in European journal of obstetrics & gynecology and reproductive biology (01.12.1996)

by Milne, S.A., Rakhyoot, A., Drudy, T.A., Brechin, S., Riley, S.C., Critchley, H.O.D.
Published in Molecular human reproduction (01.06.2001)

by Critchley, H.O.D., Kelly, R.W., Lea, R.G., Drudy, T.A., Jones, R.L., Baird, D.T.
Published in Human reproduction (Oxford) (01.10.1996)