@article{027258811, title = "Radio immunoassay of human chorionic gonadotropin using anti human chorionic gonadotropin beta subunits", author = "Ibuki, R. and Igarashi, M.", year = "1974", journal = "Folia Endocrinologica Japonica", volume = "50", number = "2", pages = "182", url = "https://eurekamag.com/research/027/258/027258811.php" }