Lars G Hemkens senior researcher, Despina G Contopoulos-Ioannidis clinical associate professor, John P A Ioannidis professor
Hemkens L G, Contopoulos-Ioannidis D G, Ioannidis J P A.
Agreement of treatment effects for mortality from routinely collected data and subsequent randomized trials: meta-epidemiological survey
BMJ 2016; 352 :i493
doi:10.1136/bmj.i493