1. Chemical and homogeneous enzyme immunoassay methods for the measurement of oestrogens and pregnanediol and their glucuronides in urine;Brown;Prog Clin Biol Res,1988
2. New assays for identifying the fertile period;Brown;Int J Gynecol Obstet Suppl,1989
3. Natural family planning;Brown;Am J Obstet Gynecol,1987
4. Determination of ovarian function using first morning urine steroid assays;Denari;Obstet Gynecol,1981
5. Measurement of glucurometabolites of 17 beta-estradiol and progesterone in diluted overnight urine: an approach to the study of luteal insufficiency;Pazzagli;J Steroid Biochem,1987