| Label | Id | |
|---|---|---|
| pro-B-cell | http://purl.obolibrary.org/obo/CL:0000826 | |
| pro-B-lymphocyte | http://purl.obolibrary.org/obo/CL:0000826 | |
| pro-B cell | http://purl.obolibrary.org/obo/CL:0000826 | |
| pro-B lymphocyte | http://purl.obolibrary.org/obo/CL:0000826 | |
| progenitor B-cell | http://purl.obolibrary.org/obo/CL:0000826 | |
| progenitor B-lymphocyte | http://purl.obolibrary.org/obo/CL:0000826 | |
| pre-B cell (Philadelphia nomenclature) | http://purl.obolibrary.org/obo/CL:0000826 | |
| pre-pro B cell | http://purl.obolibrary.org/obo/CL:0000826 | |
| progenitor B cell | http://purl.obolibrary.org/obo/CL:0000826 | |
| progenitor B lymphocyte | http://purl.obolibrary.org/obo/CL:0000826 |