External validity is also an ethical consideration in cluster-randomised trials of policy changes: the author’s reply | BMJ Quality & Safety

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External validity is also an ethical consideration in cluster-randomised trials of policy changes: the author’s reply

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Oct 2018	345	23	7
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Jan 2019	381	13	7
Feb 2019	149	5	4
Mar 2019	108	3	2
Apr 2019	53	2	5
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Apr 2021	28	0	0
May 2021	10	0	1
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Feb 2022	33	0	0
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Apr 2022	23	0	5
May 2022	52	3	2
Jun 2022	54	1	1
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Aug 2022	46	1	0
Sep 2022	131	2	0
Oct 2022	66	4	0
Nov 2022	38	3	0
Dec 2022	74	0	0
Total	3960	254	58