| Literature DB >> 1172468 |
K Quakernack, E H Schmidt, B Lieder, F K Beller.
Abstract
Keywords: Clinical Research; Contraception; Examinations And Diagnoses; Iud; Research Methodology; Ultrasonics
Mesh:
Year: 1975 PMID: 1172468 DOI: 10.1016/0028-2243(75)90049-0
Source DB: PubMed Journal: Eur J Obstet Gynecol Reprod Biol ISSN: 0301-2115 Impact factor: 2.435