By Pritha Sarkar LONDON (Reuters) - It is just as well Kirsten Flipkens is not one to follow doctors' orders. If she had, her career would have been long over - not once but twice. The bespectacled Belgian proved that it was the doctors, and not she, who were short-sighted as she defied the odds to reach her first grand slam semi-final on Tuesday with a stunning win over 2011 champion Petra Kvitova. "I've been through a lot of ups and downs throughout my career. ... Click here to read full news..