. . "Cyclin-dependent kinase 4" . "cdk4" . "Cdk4/6" . "CDK4 gene" . . "CDK4" . "Cyclin-dependent kinase 4" . "4" . . "CDK6" . . "CDK4/6" . . . . . . . "Cyclin-dependent_kinase_4#Inhibitors" . . "cyclin-dependent kinase 4" . . . . . . . . . . "Cdk4" .