pi雄文:Farts can cause infection if the emitter is naked, but not if clothed (2001)# Joke - 肚皮舞运动
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Farts can cause infection if the emitter is naked, but not if clothed (2001)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1121900/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1121900/
