Rubesin S E, Jessurun J, Robertson D, Jones B, Bosma J F, Donner M W
Johns Hopkins Swallowing Center, Baltimore, Maryland.
Radiographics. 1987 Mar;7(2):217-37. doi: 10.1148/radiographics.7.2.3448633.
This superbly illustrated article is an invaluable guide to the interpretation of double contrast pharyngograms.