title: Interlaboratory comparison of radioimmunoassay results. Variation produced by different methods of calculation.
mesh_terms: D006062:Gonadotropins / Q000032:analysis; D006728:Hormones / Q000032:analysis*; D006801:Humans; D011388:Prolactin / Q000032:analysis; D011786:Quality Control; D011863:Radioimmunoassay / Q000592:standards*; D006113:United Kingdom
chemical_list: D006062:Gonadotropins; D006728:Hormones; D011388:Prolactin