US athletics coach Alberto Salazar banned for four years for doping violations | Sports | German football and major international sports news | DW | 01.10.2019
Nike risks being burned by Salazar doping scandal
Schwere Vorwürfe gegen Nike Oregon Project und Salazar
Techno-Doping oder perfektes Marketing?: Wie ein Laufschuh die Leichtathletik verändert - Sport - Tagesspiegel
Nike Vaporfly escape Tokyo 2020 ban but what can runners learn from cycling and swimming about 'technological doping'? | South China Morning Post