Original: The Operación Puerto doping case (Operation Mountain Pass) Inside the Blood Doping Investigation, Der Spiegel, July 10, 2006 is a Spanish doping case against doctor Eufemiano Fuentes and a number of accomplices, started in May 2006.
Simplified: The Operación Puerto doping case (meaning Operation Mountain pass) Inside the Blood Doping Investigation is a doping investigation in Spain.