seven highly purified dimeric forms of human pituitary growth hormone , composed of the monomeric forms 20 k hgh , 22 k hgh and 24 k hgh linked together by noncovalent or covalent bonds , have been characterized by an in vitro bioassay ( the nb2 assay ) , a radioreceptor assay and a radioimmunoassay .
C0169964
human pituitary growth hormone
C3714500
hgh