Verwysings:

  1. Harris Ron; Real Bodybuilding: Muscle Truth van 25 Jare in die Trenches (2008) p.50
  2. Nam Paulus; Bodybuilding And Steroids: My Personal Story (2017)
  3. Lehan Patrick; Anaboliese Steroïede (2004). P.106, 108, 109, 111-116,120.
  4. Spellwin Geaorge; Testosteroon Steroïdiese siklusse: Insluitende die Ultimate Sustanon 250 Cycle (2015)
  5. Tilin Andrew; Die Doper Next Door: My Vreemde en Skandalige Jaar op Prestasieverbetering ... (2011) p 38,
  6. Collins Rick; Regspier: Anaboliste in Amerika (2002) p172, 173,427
  7. Chiu MC Pediatriese Handleiding (2019) p.419