Amid ongoing controversy, U.S. Sen. Maggie Hassan (D-N.H.) is investigating GSK for replacing a popular asthma inhaler with a so-called authorized generic at a much higher price in order to avoid ...

Background: Phase I of the International Study of Asthma and Allergies in Childhood (ISAAC) was designed to allow worldwide comparisons of the prevalence of asthma symptoms. In phase III the phase I ...