Using Cold Laser for Knee Pain on the Womens Tennis Association Tour

Andrea Petkovic tells how she uses cold laser on her knee "I won again today and my knee is holding up fine... I'm working with an Italian doctor who treats a lot of the players. His name is Pier Francesco Parra and he has this laser that he puts on your knee three times for about two minutes..." Read More on the Wall Street Journal  Petkovic: Therapy for the Knees and Eyes