PubMed:13964444 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PubMed/sourceid/13964444","sourcedb":"PubMed","sourceid":"13964444","source_url":"https://www.ncbi.nlm.nih.gov/pubmed/13964444","text":"The role of the placenta in uterine activity.\n","tracks":[]}