a 2.6-kilobase ( kb ) ecori restriction endonuclease fragment containing human growth hormone ( hgh ; somatotropin ) gene sequences and a 2.8-kb ecori fragment containing human chorionic somatomammotropin ( hcs ; choriomammotropin ) gene sequences have been identified by hybridization to cloned cdna .
C0169964
human
C0037663
somatotropin