Is rhubarb poisonous if eaten raw?

Related questions

1. Can you use green rhubarb in a pie?
2. Can a pumpkin pie sit out overnight?
3. Why is my pie soupy?
4. Can you leave a pie out overnight?
5. Can I eat rhubarb raw?
6. Do I refrigerate rhubarb pie?
7. Is rhubarb pie good for you?
8. Do you have to peel rhubarb for pie?
9. Can you use green rhubarb?
10. Does all rhubarb turn red?

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2. #rhubarb
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19. #oxalic
20. #problem
21. #nephrotoxic
22. #world
23. #leaves