Dr. Ghazwan Acash left on Thanksgiving for Idlib, a city in northwest Syria on the Turkish border, where thousands of refugees have gathered in tents and a school building has been transformed into a field hospital. Volunteers there ring the school’s bell to summon doctors when a new wave of injured people arrive, some from cities and towns 150 miles or more away. He said he helped with basic medical needs and to insert breathing tubes in patients.
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