Mike Jacobs suspended for HGH. Vitja 16. juni 2019. «Terry Newton, a former British international rugby league player, was the first athlete suspended for a positive HGH test last year.»
History of Doping in Sport(PDF), International Sports Studies, Vol 24, Issue 1, 2002, arkivert frå originalen(PDF) 23. november 2017, henta 26. oktober 2016
Historical Timeline. «British sprinter Dwain Chambers becomes the first person to test positive for the steroid THG in an out-of-competition drug test conducted on Aug. 1, 2003.»
snl.no
sml.snl.no
Drange, Mads: doping - historikk i Store medisinske leksikon på snl.no. Henta 2. juli 2020.
History of Doping in Sport(PDF), International Sports Studies, Vol 24, Issue 1, 2002, arkivert frå originalen(PDF) 23. november 2017, henta 26. oktober 2016