Passive observer wrote:
http://www.outsideonline.com/news-from-the-field/Alberto-Salazars-Runners-Injected-Experimental-PEDs.html?utm_campaign=81ae43e425-ESW+Thur.+3%2F26%2F15&utm_source=Endurance+Sportswire+Newsletter&utm_medium=email&utm_term=0_1b649c18af-81ae43e425-244452405
Article cites letsrun...