1. Abellan R et al (2007) Intermittent hypoxia exposure in a hypobaric chamber and erythropoietin abuse interpretation. J Sports Sci 25(11):1241–1250
2. Aktories K et al (2005) Allgemeine und spezielle Pharmakologie. Urban & Fischer, München
3. Ashenden MJ et al (2003) Effect of altitude on second-generation blood tests to detect erythropoietin abuse by athletes. Haematologica 88(9):1053–1062
4. Ashenden MJ et al (2004) Effect of pre-competition and altitude training on blood models used to detect erythropoietin abuse by athletes. Haematologica 89(8):1019–1020
5. Ashenden MJ et al (2006) The effects of microdose recombinant human erythropoietin regimens in athletes. Haematologica 91(8):1143–1144