Coach Mike Singletary said Thursday that Troy Smith will start Sunday's pivotal NFC West game against the St. Louis Rams in place of Alex Smith, who started San Francisco's past two games.The coach also said he wouldn't hesitate to change quarterbacks during the game if the situation calls for it.The 49ers have changed quarterbacks after each of their past two defeats in an attempt to salvage a losing season. At 59, San Francisco still has an opportunity to capture the NFC West title and end a sevenyear playoff drought by winning its final two games against the St.It has lost three of 25 games. Coniglio was talking, he said winds that had been caught at 60 mph were railing at Buffalo. Whitecaps were kicking up on Lake Erie.

Most of the articles (73%) do not even touch on whether there was evidence of efficacy. Given that these stories are generally about the use of stem cells as a therapy or training aid, silence on the evidence could be viewed as implying potential effica