Missense mutation in exon 7 of the common gamma chain gene causes a moderate form of X-linked combined immunodeficiency .
missense mutation in exon 7 of the common gamma chain gene causes a moderate form of x-linked combined immunodeficiency .
B-other_name I-other_name O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-other_name I-other_name I-other_name O