Figure 5From: Subarachnoid hemorrhage secondary to a ruptured middle cerebral aneurysm in a patient with osteogenesis imperfecta: a case report Results for determining a single nucleotide G/C polymorphism (SNP) of exon 28 of the gene encoding for alpha-2 polypeptide of collagen 1 in the patient (upper panel) and one of normal control subjects (lower panel). The SNP28 of COL1A2 was not detected in any of them.Back to article page