Here is the itunes link: https://itunes.apple.com/nz/podcast/cams-world.de-podcast/id675496071
Here is the Libsyn link: http://camsworldde.libsyn.com/rss
This podcast from cams-world.de is about chain rings and Cam has a word or two about doping. Listed below are studies I referenced. I read more yet did not use the information from those studies, as everything was covered in the studies below.
Dagnese,F. Carpes,F,P. de Assis Martins,D. Stefanyshyn,D. Bolli Mota,C. Effects of a noncircular chainring system on muscle activation during cycling. Journal of Electromyography and Kinesiology 21 (2011) 13–17
Horvais,N. Samozino,P. Zameziati,K Hautier,C. Hintzy,F. Effects of a non circular chainring on muscular, mechanical and physiological parameters during cycle ergometer tests. Isokinetics and Exercise Science 15 (2007) 271–279
Hue,O. Chamari,k. Damiani,M. Blonc,S. Hertogh,C. The use of an eccentric chainring during and outdoor 1 km all-out cycling test. Journal of Science and Medicine in Sport (2007) 10, 180-186
Carpes,F,P. Dagnese,F. Mota, C,B.Stefanyshyn,D,J. Cycling with noncircular chainring system changes the three-dimensional kinematics of the lower limbs Sports Biomechanics 2009; 8(4): 275–283
Hue,O. Racinais,S. Chamari,K. Damiani,M. Hertogh,C. Blonc,S. Does an eccentric chainring improve conventional parameters of neuromuscular power? Journal of Science and Medicine in Sport (2008) 11, 264—270
O’Hara,C,R. Clark,R,D.Hagobian,T. McGaughey,K. Effects of Chainring Type (Circular vs. Rotor Q-Ring) on 1km Time Trial Performance Over Six Weeks in Competitive Cyclists and Triathletes.
International Journal of Sports Science and Engineering 06 (2012) 01. 025-040
Peiffer,J,J. Abbiss,C,R. The Influence of Elliptical Chainrings on 10 km Cycling Time Trial Performance. International Journal of Sports Physiology and Performance, 2010, 5, 459-468