title: The third Bond.
authors.affiliation: Pasteur Institute, Paris.
authors.forename: Simon
authors.initials: S
authors.lastname: Wain-Hobson
mesh_terms: D003461:Crystallography / Q000266:history; D003596:Cytosine / Q000737:chemistry*; D004247:DNA / Q000737:chemistry* / Q000266:history*; D006147:Guanine / Q000737:chemistry*; D049673:History, 20th Century; D006860:Hydrogen Bonding; D008956:Models, Chemical; D015394:Molecular Structure; D009690:Nucleic Acid Conformation
chemical_list: D006147:Guanine; D003596:Cytosine; D004247:DNA