title: How much of invasive clinical research is still ethically justified?
authors.forename: Andrzej
authors.initials: A
authors.lastname: Grzybowski
mesh_terms: D002555:Cerebrospinal Fluid / Q000502:physiology*; D005260:Female; D006801:Humans; D057066:Low Tension Glaucoma / Q000000981:diagnostic imaging* / Q000503:physiopathology*; D008297:Male; D009186:Myelin Sheath / Q000000981:diagnostic imaging*; D009898:Optic Disk / Q000000981:diagnostic imaging*; D009900:Optic Nerve / Q000000981:diagnostic imaging* / Q000503:physiopathology*; D014057:Tomography, X-Ray Computed / Q000379:methods*