1. Gortler L, Sturchio JL A History of Steroid Chemistry, Part I. Steroids 57:354–409.
2. Gortler L, Sturchio JL A History of Steroid Chemistry, Part II. Steroids 57:578–649.
3. Early English steroid history;Jones;Steroids,1992
4. Shakespeare W, King Henry V, Act 4, scene 2.
5. Über die konstitution dehydroandrosterons;Schoeller;Naturwiss,1935