Cottonwoods.
Weber
Richard W
RW
National Jewish Medical & Research Center, 1400 Jackson Street, Room J326, Denver, CO 80206, USA.
D006801:Humans; D011058:Pollen / Q000276:immunology; D032107:Populus / Q000033:anatomy & histology / Q000276:immunology / Q000502:physiology*; D006255:Rhinitis, Allergic, Seasonal / Q000209:etiology