TY  - RPRT
TI  - DELAYS IN CONCEPTION: A DISCREPANCY RE-EXAMINED.
AU  - R G POTTER
AU  - C F WESTOFF
AU  - P C SAGI
PY  - 1963
DO  - 10.1080/19485565.1963.9987544
UR  - https://pubmed.ncbi.nlm.nih.gov/14044913/
ID  - 14044913
ER  -