. . . . january 2007 (23) . . april 2010 (17) .yet these drugs are not a "home run," says elizabeth loder, md, a professor of neurology at harvard medical school and chief of the division of headache at brigham & women's hospital. http://lm360.us/Peraza-sister-of-Walle-from-Stargard-Szczecinski?Colnsiste=276 . . . ."if the battery in a mechanical mod over-discharges and the device doesn't contain enough air holes to allow the battery to vent, there is a risk of explosion." . . .