Point mutations in the AR gene were identified in all six patients , and all mutations caused amino acid substitutions .
point mutations in the ar gene were identified in all six patients , and all mutations caused amino acid substitutions .
B-other_name I-other_name O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-multi_cell O O O B-other_name O B-other_name I-other_name I-other_name O