text: Paes-Bhupathi overcome injury scare and Federer Athens, Aug 19. (PTI):Leander Paes and Mahesh Bhupathi overcame an injury scare and world number one singles #39; player Roger Federer of Switzerland to advance to the quarterfinals of the men #39;s doubles tennis event at the Olympic Games here on Wednesday. 
inputs: Paes-Bhupathi overcome injury scare and Federer Athens, Aug 19. (PTI):Leander Paes and Mahesh Bhupathi overcame an injury scare and world number one singles #39; player Roger Federer of Switzerland to advance to the quarterfinals of the men #39;s doubles tennis event at the Olympic Games here on Wednesday. 