| Literature DB >> 14064230 |
Abstract
Keywords: ELECTROCARDIOGRAPHY; FETAL DEATH; FETAL HEART; HEART AUSCULTATION; NEGROES; PREGNANCY
Mesh:
Year: 1963 PMID: 14064230 DOI: 10.1001/jama.1963.63710100010013c
Source DB: PubMed Journal: JAMA ISSN: 0098-7484 Impact factor: 56.272