TY  - RPRT
TI  - Estimating coverage from routine information.
AU  - M W Borgdorff
AU  - G J Walker
PY  - 1988
DO  - 10.1177/004947558801800315
UR  - https://pubmed.ncbi.nlm.nih.gov/3406992/
ID  - 3406992
ER  -