TY  - GEN
AU  - Elder,M G
AU  - Lawson,J P
AU  - Elstein,M
AU  - Nuttall,I D
TI  - The efficacy and acceptability of a low-dose levonorgestrel intravaginal ring for contraception in a UK cohort
SN  - 0010-7824
PY  - 1991///0711
KW  - Adolescent
KW  - Adult
KW  - Cohort Studies
KW  - Dose-Response Relationship, Drug
KW  - Female
KW  - Fertility
KW  - drug effects
KW  - Humans
KW  - International Cooperation
KW  - Intrauterine Device Expulsion
KW  - Intrauterine Devices, Medicated
KW  - Levonorgestrel
KW  - Menstruation Disturbances
KW  - chemically induced
KW  - Norgestrel
KW  - administration & dosage
KW  - United Kingdom
KW  - World Health Organization
N1  - Publication Type: Clinical Trial; Journal Article; Multicenter Study
UR  - https://doi.org/10.1016/0010-7824(91)90040-m
ER  -