Increased yield and purity of the growth hormone is obtained by using controlled amounts of {TAIL ~ polyethylene glycol} as precipitating {HEAD ~ agent} at pH = 4 6, preferably 4.5 5.0 and separating the precipitated fractions 
Increased yield and purity of the growth hormone is obtained by using controlled amounts of { TAIL ~ polyethylene glycol } as precipitating { HEAD ~ agent } at pH = 4 6 , preferably 4.5 5.0 and separating the precipitated fractions
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH