A case of Bernard-Soulier Syndrome due to a homozygous four bases deletion ( TGAG ) of GPIbalpha gene : lack of GPIbalpha but absence of bleeding .
O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O O O B-SequenceVariant I-SequenceVariant I-SequenceVariant I-SequenceVariant O B-GeneOrGeneProduct O O O O B-GeneOrGeneProduct O O O B-DiseaseOrPhenotypicFeature O