نص السؤال 14- The following stages for deglutition (swallowing) except: سؤال 13الإجابة a. pharyngeal stage b. stomach stage c. oral stage d. esophageal stage
نص السؤال 14- The following stages for deglutition (swallowing) except: سؤال 13الإجابة a. pharyngeal stage b. stomach stage c. oral stage d. esophageal stage
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