title: Sickle cell painful crises: a multifactorial event.
mesh_terms: D000755:Anemia, Sickle Cell / Q000097:blood / Q000150:complications* / Q000503:physiopathology; D002469:Cell Separation; D002499:Centrifugation, Density Gradient; D004912:Erythrocytes / Q000502:physiology; D006439:Hemodynamics; D006801:Humans; D007238:Infarction / Q000209:etiology*; D008833:Microcirculation / Q000503:physiopathology; D010146:Pain / Q000209:etiology; D014655:Vascular Resistance