TY  - RPRT
TI  - Heterogeneity in fecundability studies: issues and modelling.
AU  - René Ecochard
PY  - 2006
DO  - 10.1191/0962280206sm436oa
UR  - https://pubmed.ncbi.nlm.nih.gov/16615654/
ID  - 16615654
ER  -