@article{Liao2015, author = "Sha Liao and Yuanjun Liang and Zhiwei Zhang and Jinglai Li and Juan Wang and Xiaoying Wang and Guifang Dou and Zhenqing Zhang and Keliang Liu", title = "{Tandem collision-induced dissociation (CID) mass spectra of doubly protonated peptide (a) exendin-4(15–39), (b) exendin-4(16–39), and (c) exendin-4(12–39).}", year = "2015", month = "12", url = "https://plos.figshare.com/articles/figure/_Tandem_collision_induced_dissociation_CID_mass_spectra_of_doubly_protonated_peptide_a_exendin_4_15_8211_39_b_exendin_4_16_8211_39_and_c_exendin_4_12_8211_39_/1319745", doi = "10.1371/journal.pone.0116805.g007" }