Aikin J (1771)
- Tröhler U (2010).
The introduction of numerical methods to assess the effects of medical interventions during the 18th century: a brief history.
- Maehle A-H (2011).
Four early clinical studies to assess the effects of Peruvian bark.
- Individual patient data
- Fair tests of treatments
- The play of chance
- Bringing it all together for the benefit of patients and the public