Allergen, Individual-Tree pollen Alder (Alnus Incana)
Allergen, Individual-Tree Pollen Alder (Alnus Incana) tests for sensitivity to the pollen of *Alnus incana*, an allergenic tree species that can cause hay fever and other respiratory allergies in the spring.
Allergen, Individual-Tree pollen Alder (Alnus Incana)
Allergen, Individual-Tree pollen Alder (Alnus Incana)
