Recent electron studies with special refernce to respiratory cilia.
D000818:Animals; D002923:Cilia / Q000166:cytology*; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008853:Microscopy / Q000266:history; D008854:Microscopy, Electron; D009297:Nasal Mucosa / Q000166:cytology*; D010247:Paramecium / Q000166:cytology; D051381:Rats; D013094:Spermatozoa / Q000166:cytology