1. OESTROGENS AND THE UNFAVOURABLE CERVIX
2. M. Hollingsworth, C.N.M. Isherwood, R.W. Foster, J. Reprod. Fert. ((in the press)).
3. Paper presented to the 7th International Congress of Pharmacology;Hollingsworth,1978
4. International Conference on Prostaglandins;Hollingsworth,1979