title: Haemoglobin: subtle scavenger of nitric oxide and modulator of retinal blood flow.
authors: Alberto
authors: A
authors: Avolio
authors: Guido
authors: G
authors: Grassi
mesh_terms: D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D008297:Male; D012171:Retinal Vessels / Q000502:physiology*
chemical_list: D006454:Hemoglobins