Tag Archives: Wladimir J. Alonso

The first clinical trial and controlled biological experiments

Wladimir J. Alonso Steven Zhixiang Zhou Cynthia Schuck-Paim Sao Paulo, Brazil & London, UK   Nanjing, capital of China at the time of the experiments Photography by Ryuch Although over a millennium ago some clinicians already appreciated that fair┬ácomparisons are needed to infer causality about the effects of medical treatments,1 it has been widely accepted […]