That's a very good question. Those studies are hard to quantify. This relies on people reporting what they may or may not have done in a certain situation. They can't be observed in a proper experiment, so it's uncertain.
Science and Medicine Editor, CATIE
That's a very good question. Those studies are hard to quantify. This relies on people reporting what they may or may not have done in a certain situation. They can't be observed in a proper experiment, so it's uncertain.
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