title: Letter to the editor: Reliability of muscle blood flow measurements in orbicularis oculi.
authors.affiliation: Tehran, Iran.
authors.forename: Siamak
authors.initials: S
authors.lastname: Sabour
mesh_terms: D005152:Facial Muscles / Q000098:blood supply*; D005260:Female; D006801:Humans; D008297:Male; D009801:Oculomotor Muscles / Q000098:blood supply*; D017156:Photoplethysmography / Q000379:methods*