| | pollen van Berk (substantie) |  |  | pollen van Berk |  |  | Betula pollen |  |  | Birch pollen
 | 
 | | Id | 146421000146104 |  | Status | Primitive | 
| Dutch non-drug allergen simple reference set for Dutch clinical building blocks version 2017 | 
| Dutch inhalation allergen simple reference set | 
| Dutch total non-drug allergen simple reference set | 
 |