Randomised comparative study in 217 women of three disposable plastic IUCD thread retrievers.
Br J Obstet Gynaecol. 1992 Nov;99(11):915-9. doi: 10.1111/j.1471-0528.1992.tb14442.x.
Br J Obstet Gynaecol. 1992.
PMID: 1450143
Clinical Trial.