PMC:5664696 / 4922-5047 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/5664696","sourcedb":"PMC","sourceid":"5664696","source_url":"https://www.ncbi.nlm.nih.gov/pmc/5664696","text":"Two kinds of factors, potentially related to longevity, were collected for analysis: environmental and nutritional variables.","tracks":[]}