TY  - RPRT
TI  - Should we use a case-crossover design?
AU  - M Maclure
AU  - M A Mittleman
PY  - 2000
DO  - 10.1146/annurev.publhealth.21.1.193
UR  - https://pubmed.ncbi.nlm.nih.gov/10884952/
ID  - 10884952
ER  -