biological regulation that negatively regulates some shell calcification
positive regulation of shell calcification
SubClassOf(ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0065007> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002212> <http://purl.obolibrary.org/obo/GO_0031215>)) <http://purl.obolibrary.org/obo/GO_1905650>)
EquivalentClasses(<http://purl.obolibrary.org/obo/GO_1905650> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0065007> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002213> <http://purl.obolibrary.org/obo/GO_0031215>)) )