PubMed:1789458 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PubMed/sourceid/1789458","sourcedb":"PubMed","sourceid":"1789458","source_url":"https://www.ncbi.nlm.nih.gov/pubmed/1789458","text":"Gas chromatography/electron capture negative-ion mass spectrometry at the zeptomole level.\n","tracks":[]}