Vaginal douching and the risk of tubal pregnancy.
Daling JR, Weiss NS, Schwartz SM, Stergachis A, Wang SP, Foy H, Chu J, McKnight B, Grayston JT.
Daling JR, et al.
Epidemiology. 1991 Jan;2(1):40-8. doi: 10.1097/00001648-199101000-00007.
Epidemiology. 1991.
PMID: 2021665