Birch.
Concentrations of the major birch tree allergen Bet v 1 in pollen and respirable fine particles in the atmosphere
Birch Creek
Birch
BETULA PAPYRIFERA, PAPER BIRCH, CANOE BIRCH
birch, n.
Monitoring the spatio-temporal dynamics of geometrid moth outbreaks in birch forest using MODIS-NDVI data
Oral Immunotherapy of Children with Rhinoconjunctivitis due to Birch Pollen Allergy A Double Blind Study
BETULA LENTA, CHERRY BIRCH, BLACK BIRCH
The Birches