TY  - RPRT
TI  - Case-case comparisons to study causation of common infectious diseases.
AU  - N McCarthy
AU  - J Giesecke
PY  - 1999
DO  - 10.1093/ije/28.4.764
UR  - https://pubmed.ncbi.nlm.nih.gov/10480708/
ID  - 10480708
ER  -