TY  - RPRT
TI  - Commentary: a hypothesis challenged.
AU  - J W Rich-Edwards
AU  - M W Gillman
PY  - 1997
DO  - 10.1136/bmj.315.7119.1348
UR  - https://pubmed.ncbi.nlm.nih.gov/9402776/
ID  - 9402776
ER  -