: 0a558711c6b9d5b9029717d722a2c31chttps://entity.api.hubmapconsortium.org/entities/ Create a prefix for https://entity.api.hubmapconsortium.org/entities/ Hit Enter to save Double click to create a prefix | : section_size_unithttp://purl.org/ccf/ Create a prefix for http://purl.org/ccf/ Hit Enter to save Double click to create a prefix | millimeter |