PMC:7212949 / 65454-65512 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7212949","sourcedb":"PMC","sourceid":"7212949","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7212949","text":"Yu et al (2006)N = 121, confirmed casesRetrospective study","tracks":[]}