^Madej, Thomas; Addess Kenneth J, Fong Jessica H, Geer Lewis Y, Geer Renata C, Lanczycki Christopher J, Liu Chunlei, Lu Shennan, Marchler-Bauer Aron, Panchenko Anna R, Chen Jie, Thiessen Paul A, Wang Yanli, Zhang Dachuan, Bryant Stephen H. MMDB: 3D structures and macromolecular interactions. Nucleic Acids Res. (England). Jan 2012, 40 (Database issue): D461–4. PMC 3245041. PMID 22135289. doi:10.1093/nar/gkr1162(英語).引文使用過時參數coauthors (幫助)