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4. Reichert LE. Biological studies on the relatedness of the subunits of human follicle stimulating hormone and chorionic gonadotropin. Endocrinology 1972; 90: 1119 – 22.
5. Williams JF, Davies TF, Catt KJ, Pierce JG. Receptor-binding activity of highly purified bovine luteinizing hormone and thyrotropin, and their subunits. Endocrinology 1980; 106: 1353 – 9.