A homozygous mutation in the luteinizing hormone receptor causes partial leydig cell hypoplasia: correlation between receptor activity and phenotype - Martens, John W. M; Post, Miriam Verhoef; Abelin, Neusa Maria Alves; Ezabella, Marilza Cristina Legrazie; Toledo, Sérgio Pereira de Almeida; Brunner, Han G; Themmen, Axel P. N (Molecular Endocrinology, 1998)