Clinical Research Directory

Inclusion Criteria: * Volunteers over the age of 18 and less than 70 * Volunteers able to understand and sign the consent and to give written informed consent * Female contraceptives if of childbearing age * Registered or entitled to social security system * Volunteers able to maintain supine for 20 minutes Exclusion Criteria: * Major protected/under guardianship * Volunteers unable to maintain the supine position for 20 minutes * Claustrophobia * Volunteers with history of PRBC transfusion * Volunteers with history of hematologic disease or a disruption of iron status * Volunteers with history of cardiac disease including arrhythmias * Hypertension * Diabetes * Contra-indication for MRI: metal fragments in the eyes; implantable cardiac, neurological or ENT device; osteosynhesis material not compatible with MRI * Women who are pregnant or likely to be