TY  - JOUR
TI  - Mendelian randomization as an instrumental variable approach to causal inference
AU  - Vanessa Didelez
AU  - Nuala A. Sheehan
JO  - Statistical Methods in Medical Research
PY  - 2007
VL  - 16
IS  - 4
DO  - 10.1177/0962280206077743
UR  - https://doi.org/10.1177/0962280206077743
ER  -