Episode
1964 - Horizon
S18E03 The Qualyub Project
Horizon explores the research of Egyptian doctors in trying to control bilharzia, a disease caused by parasitic worms.
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ក្រដាសផ្សព្វផ្សាយ
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Backdrops
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តំណដែលគួរឲ្យចាប់អារម្មណ៍
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អត្ថបទរឿង
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ថ្រេល័រ