(Q39564799)
Statements
1 reference
Risk of ectopic pregnancy and duration of use of an intrauterine device (English)
2 references
M. P. Vessey
D. Yeates
1 September 1979
1 reference
8 September 1979
1 reference
2
1 reference
8141
1 reference
501-502
1 reference
Identifiers
1 reference
1 reference