title: In response to the commentary 'Particle species dependence of cell survival relative biological effectiveness: Evident and not negligible' by Thomas Friedrich, Marco Durante & Michael Scholz.
authors: Brita Singers
authors: BS
authors: Sørensen
authors: Jens
authors: J
authors: Overgaard
authors: Niels
authors: N
authors: Bassler
mesh_terms: D000818:Animals; D006801:Humans; D018499:Linear Energy Transfer; D009369:Neoplasms / Q000532:radiotherapy*; D017785:Photons / Q000627:therapeutic use*; D061766:Proton Therapy; D011522:Protons
chemical_list: D011522:Protons