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BMJ.317.7167.1239
BMJ.317.7167.1239
http://dx.doi.org/10.1136/BMJ.317.7167.1239
Experimentation and social interventions: a forgotten but important history
P356
Q33792408-C2C04D5D-D5A5-4F7F-99E4-8CD50DCBC4D3
P356
BMJ.317.7167.1239
http://dx.doi.org/10.1136/BMJ.317.7167.1239