| Label | Id | |
|---|---|---|
| purine base transmembrane transport | http://purl.obolibrary.org/obo/GO_0006863 | |
| purine base transport | http://purl.obolibrary.org/obo/GO_0006863 | |
| purine nucleobase transport | http://purl.obolibrary.org/obo/GO_0006863 | |
| purine transmembrane transport | http://purl.obolibrary.org/obo/GO_0006863 | |
| purine transport | http://purl.obolibrary.org/obo/GO_0006863 |
