A Peptide-Based Method for 13C Metabolic Flux Analysis in Microbial Communities. - Amit Ghosh; Jerome P. Nilmeier; Daniel Weaver; Paul D. Adams; Jay D. Keasling; Aindrila Mukhopadhyay; Christopher J. Petzold; Héctor García Martín (PLoS Comput. Biol., 2014)