On the cover. Picea pungens.
Weber
Richard W
RW
National Jewish Medical & Research Center, 1400 Jackson Street Room J326, Denver, CO 80206, USA.
D001249:Asthma / Q000209:etiology / Q000276:immunology*; D017449:Dermatitis, Allergic Contact / Q000209:etiology; D028222:Picea / Q000276:immunology*; D011058:Pollen / Q000166:cytology / Q000276:immunology; D012116:Resins, Plant / Q000494:pharmacology
D012116:Resins, Plant