TY  - RPRT
TI  - Intrarater variation--more studies are needed.
AU  - Lionel Carbillon
PY  - 2006
DO  - 10.1016/j.fertnstert.2005.11.016
UR  - https://pubmed.ncbi.nlm.nih.gov/16595262/
ID  - 16595262
ER  -