E.A. Rahal, Y. Halas, G. Zaytoun, F. Zeitoun and A.M. Abdelnoor Predominant airborne pollen in a district of Beirut, Lebanon for the period extending from March 2004 to August 2004 Full paper (pdf) June 1, 2007 / Author: master1 / Posted in: Environment and Natural Resources Tags: allergy asthma Beirut pollen rhinitis volumetric sampler