title: Repeated purifications of (125I)HGH for radioimmunoassay.
mesh_terms: D002850:Chromatography, Gel; D005069:Evaluation Studies as Topic; D013006:Growth Hormone / Q000032:analysis / Q000302:isolation & purification*; D006801:Humans; D007457:Iodine Radioisotopes; D007553:Isotope Labeling; D008722:Methods; D011863:Radioimmunoassay; D013997:Time Factors
chemical_list: D007457:Iodine Radioisotopes; D013006:Growth Hormone