title: Problems in endocrinological studies relating to the polymorphism of hormones.
mesh_terms: D000818:Animals; D004704:Endocrinology / Q000379:methods*; D000939:Epitopes / Q000032:analysis; D006728:Hormones / Q000235:genetics*; D007525:Isoelectric Focusing; D007986:Luteinizing Hormone / Q000032:analysis; D008970:Molecular Weight; D011110:Polymorphism, Genetic; D011863:Radioimmunoassay; D011869:Radioligand Assay; D013045:Species Specificity
chemical_list: D000939:Epitopes; D006728:Hormones; D007986:Luteinizing Hormone