Luteinizing hormone beta mutation and hypogonadism in men and women - Lofrano-Porto, Adriana; Barra, Gustavo Barcelos; Giacomini, Leonardo Abdala; Nascimento, Paula Pires; Latronico, Ana Claudia; Casulari, Luiz Augusto; Rocha Neves, Francisco de Assis da (New England Journal of Medicine, 2007)