PubMed:821948 / 0-50 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PubMed/sourceid/821948","sourcedb":"PubMed","sourceid":"821948","source_url":"http://www.ncbi.nlm.nih.gov/pubmed/821948","text":"Characteristics of guanosine triphosphate cyclohyd","tracks":[]}