['ANTPOT. 18 O']-labeled singlet oxygen as a tool for mechanistic studies of 8-oxo-7,8-dihydroguanine oxidative damage: Detection of spiroiminodihydantoin, imidazolone and oxazolone derivatives - Martinez, Gláucia R.; Medeiros, Marisa Helena Gennari de; Ravanat, Jean-Luc; Cadet, Jean; Di Mascio, Paolo (Biological Chemistry, 2002)