Michael Rasmussen has long been linked to the Austrian Human Plasma doping affair. In his autobiography Yellow Fever, he confirms the connection and explains that his secret code name was Peter Müller.

In the past decade, the cycling world has been rocked by several doping scandals. One of those is the Austrian Human Plasma case that revolved around former professional Bernhard Kohl's manager, Austrian Stefan Matchiner.

The Austrian clinic Human Plasma was the centre of a doping ring where more than 30 athletes is alleged to have received blood transfusions from 2003 and 2006. Several Austrian biathletes and Rabobank riders Denis Menchov, Michael Rasmussen, Michael Boogerd and Thomas Dekker were all linked to the clinic, with the latter three having all been questioned in the case by the Austrian authorities.

For several years, Rasmussen denied that he had ever visited the clinic but in his new autobiography, he admits that he was indeed using it for doping purposes. He gives a detailed description of how his blood was tapped during the winter season before being injected in time for the most important races.

The blood bags in the clinic all had a label with a code name. Rasmussen - whose public nickname is "The chicken" - was suspected of using this name as his code name but in his book, Rasmussen sees those claims as an insult.

"In 2009, the Austrian police accused me of having used the code name "Chicken" and I saw that as an insult towards my intelligence. Of course I denied to have ever visited the clinic but it was tempting to correct their stupid mistake and explain that my real code name was "Peter Müller"," he writes.

In the Operacion Puerto doping case, riders like Ivan Basso and Jörg Jaksche used the names of their dogs as their code names. Rasmussen is critical of those choices.

"Some people just want to get caught," he writes.

Similarly, he describes how he carefully slipped into the clinic while a several Austrian skiers allegedly sat in a McDonald's restaurant a little further down the road before walking across the street to get their blood tapped.

"Some people just want to get caught and they were," he writes.

Rasmussen's book was released today in Denmark.