Standardizing Pharmacology: Assays and Hormones, Volume Two in the Discoveries in Pharmacology series, presents selected articles from historic discoveries that are enhanced with commentary from contemporary scholars who present discussions on the importance of each chapter, along with an updated bibliography on the subject and contributions from a Nobel Prize winner and other pioneers in pharmacology. Academic and industry researchers in pharmacology and medicine, as well as advanced students will find this series a useful teaching tool and launch to new discoveries. Sections cover key discoveries in receptor theory, pharmacological methods and the development of hormone therapy, including J. Parascandola on the development of receptor theory, R.S. Yalow on radioimmunoassay, M. van Rossum and J.T L.A. Hurkmans on bioassays, M. Tausk on androgen therapy and C. Djerassi on oral contraceptives, with commentaries from experts such as T. Hökfelt and V.C. Jordan.