Lafay, B Synonymous codon usage variation among Giardia lamblia genes and isolates. [electronic resource] - Molecular biology and evolution Nov 1999 - 1484-95 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0737-4038 Standard No.: 10.1093/oxfordjournals.molbev.a026060 doi Subjects--Topical Terms: Amino Acids--analysisAnimalsCodonGenetic HeterogeneityGiardia lamblia--geneticsProtozoan Proteins--genetics