Scientific doubts on meldonium could exonerate Sharapova
{"Image ImageDescription": "MONTREAL, QC - AUGUST 06:  Maria Sharapova of Russia returns a shot to Garbine Muguruza of Spain during the Rogers Cup at Uniprix Stadium on August 6, 2014 in Montreal, Canada.  (Photo by Streeter Lecka/Getty Images)", "Image Copyright": "2014 Getty Images"}