Field JW, Niven JC, Hodgkin EP (1937)
- Gachelin G, Garner P, Ferroni E, Tröhler U, Chalmers I (2016).
Evaluating Cinchona bark and quinine for treating and preventing malaria.
- Individual patient data
- Fair tests of treatments
- The play of chance
- Bringing it all together for the benefit of patients and the public