Randomization in Clinical Trials. 

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This is so far very crisp and convincing explanation of this complex topic. Sometimes It gets tough for trainers to explain such concepts to audience.

Thank you for your information

Nicely explained

Here is a question about group allocation: what if instead of using blocks in order to obtain equal groups, we just repeated simple randomization until we got equal groups for the first time? Would that produce biased results?

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