title: Evaluation of measurement errors in toxicity tests for nitrogen fixation.
authors.affiliation: Zoology Department, Oklahoma State University, Stillwater 74078.
authors.forename: P D
authors.initials: PD
authors.lastname: Koenig
authors.forename: D W
authors.initials: DW
authors.lastname: Toetz
mesh_terms: D000114:Acetylene / Q000378:metabolism; D000458:Cyanobacteria / Q000187:drug effects / Q000378:metabolism; D005030:Ethylenes / Q000378:metabolism; D009586:Nitrogen Fixation / Q000187:drug effects*; D010084:Oxidation-Reduction; D015203:Reproducibility of Results
chemical_list: D005030:Ethylenes; C036216:ethylene; D000114:Acetylene