title: Letter to the editor.
authors.forename: G
authors.initials: G
authors.lastname: Burnstock
mesh_terms: D000818:Animals; D006801:Humans; D011687:Purines / Q000378:metabolism*; D011983:Receptors, Purinergic / Q000378:metabolism*; D015398:Signal Transduction / Q000502:physiology*
chemical_list: D011687:Purines; D011983:Receptors, Purinergic