TY  - RPRT
TI  - Quantifying biases in test-negative studies of vaccine effectiveness
AU  - Lewnard, J. A.
AU  - Tedijanto, C. A.
AU  - Cowling, B. J.
AU  - Lipsitch, M.
PY  - 2017
DO  - 10.1101/237503
UR  - https://www.biorxiv.org/content/10.1101/237503v1
ID  - 10.1101/237503
ER  -