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