'Yeah, we're better off together; We'll be better hand in hand; But the 49th parallel; Has become a line drawn in the sand' You can save this article by registering for free here. Or sign-in if you ...

Introduction Primary ciliary dyskinesia is a rare inherited disease that results in a malfunction of mucociliary clearance and sinonasal complaints. Aplasia/hypoplasia of the frontal and sphenoid ...