Yates ME, Stellato RK, Johannes CB, Avis NE. The importance of AIDS-related knowledge for mid-life and older women. AIDS Educ Prev. 1999 Jun;11(3):224-31.
Mines D, Abbuhl SB. Hydroxyapatite pseudopodagra in a young man: acute calcific periarthritis of the first metatarsophalangeal joint. Am J Emerg Med. 1996 Mar;14(2):180-2.