TY  - RPRT
TI  - Modification on intrauterine devices for postpartum insertion.
AU  - L E Laufe
AU  - R G Wheeler
AU  - P G Friel
PY  - 1979
DO  - 10.1016/s0140-6736(79)91267-4
UR  - https://pubmed.ncbi.nlm.nih.gov/86097/
ID  - 86097
ER  -