* Committee on Hormonally Active Agents in the Environment,National Research Council,Division on Earth and Life Studies,Commission on Life Sciences, [http://books.google.ee/books?id=XDU02E8Fd0oC&pg=PA326&dq=ANDROGEN+METABOLISM+IN+THYMUS+OF+FETAL+AND+ADULT+RATS&hl=et&sa=X&ei=DsMvVKT7J87vaOHmgYgH&ved=0CCMQ6AEwAQ#v=onepage&q=ANDROGEN%20METABOLISM%20IN%20THYMUS%20OF%20FETAL%20AND%20ADULT%20RATS&f=false Hormonally Active Agents in the Environment], National Academy Press, 1999, Google'i raamatu veebiversioon (vaadatud 04.10.2014)<small>(''inglise keeles'')</small>
