Nucleic Acids Research40(17),8558–8567(2012), DOI10.1093/nar/gks558. Full published title: The sequential2',3'-cyclic phosphodiesterase and3'-phosphate/5'-OH ligation steps of the RtcB RNA splicing pathway are GTP-dependent. Full bylines verified as Anupam K Chakravarty and Stewart Shuman. Abstract and Figures2–3: cyclic-phosphate opening, GTP-dependent ligation and denaturing-PAGE analysis of labelled products; primary full text pmc.ncbi.nlm.nih.gov/articles/PMC3458531/ . Short unique card title avoids a slash in the magic-link argument.