TY  - RPRT
TI  - Should spontaneous or timed intercourse guide couples trying to conceive?
AU  - H K A Snick
PY  - 2005
DO  - 10.1093/humrep/dei137
UR  - https://pubmed.ncbi.nlm.nih.gov/16183995/
ID  - 16183995
ER  -