Sage Arbor & Garland R. Marshall (2009). “A virtual library of constrained cyclic tetrapeptides that mimics all four side-chain orientations for over half the reverse turns in the protein data bank”. 《Journal of Computer-aided Molecular Design》 23 (2): 87–95. doi:10.1007/s10822-008-9241-4. PMID18797997.
Sage Arbor, Jeff Kao, Yun Wu & Garland R. Marshall (2008). “c[D-pro-Pro-D-pro-N-methyl-Ala] adopts a rigid conformation that serves as a scaffold to mimic reverse-turns”. 《Biopolymers》 90 (3): 384–393. doi:10.1002/bip.20869. PMID17941003. CS1 관리 - 여러 이름 (링크)
Sage Arbor & Garland R. Marshall (2009). “A virtual library of constrained cyclic tetrapeptides that mimics all four side-chain orientations for over half the reverse turns in the protein data bank”. 《Journal of Computer-aided Molecular Design》 23 (2): 87–95. doi:10.1007/s10822-008-9241-4. PMID18797997.
Sage Arbor, Jeff Kao, Yun Wu & Garland R. Marshall (2008). “c[D-pro-Pro-D-pro-N-methyl-Ala] adopts a rigid conformation that serves as a scaffold to mimic reverse-turns”. 《Biopolymers》 90 (3): 384–393. doi:10.1002/bip.20869. PMID17941003. CS1 관리 - 여러 이름 (링크)