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Comment
. 1997 Oct 18;350(9085):1114-5.
doi: 10.1016/s0140-6736(97)22042-8.

La critique est aisée mais l'art est difficile. [Criticism is easy but the method is hard; comment]

P Sergeant  1 , B Meyns
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Comment

La critique est aisée mais l'art est difficile. [Criticism is easy but the method is hard; comment]

P Sergeant et al. Lancet. .
No abstract available

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