TY  - RPRT
TI  - Authors defend methods used in their paper.
AU  - B Jacobson
AU  - M Bygdeman
PY  - 1999
DO  - 10.1136/bmj.318.7185.737a
UR  - https://pubmed.ncbi.nlm.nih.gov/10074039/
ID  - 10074039
ER  -