Answer:
They can be symptomless and often go overlooked and untreated.
Explanation:
<span>The system proved suitable for patients with unilateral cleft lip and palate for whom the generated nasal mask continuous positive airway pressure remained constant between 5 to 7 cm of water but failed in the patient with bilateral cleft lip and palate. None of the patients had to be ventilated due to respiratory failure, and all survived to discharge.
Hope this helps
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The answer to your question is 1 billion
