TY  - RPRT
TI  - A randomized multicenter study comparing the efficacy and bleeding pattern of a single-rod (Implanon) and a six-capsule (Norplant) hormonal contraceptive implant.
AU  - S R Zheng
AU  - H M Zheng
AU  - S Z Qian
AU  - G W Sang
AU  - R F Kaper
PY  - 1999
DO  - 10.1016/s0010-7824(99)00053-0
UR  - https://pubmed.ncbi.nlm.nih.gov/10549446/
ID  - 10549446
ER  -