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The buccohypophyseal canal is an ancestral vertebrate trait maintained by modulation in sonic hedgehog signaling

Roman H Khonsari*, Maisa Seppala, Alan Pradel, Hugo Dutel, Gaël Clément, Oleg Lebedev, Sarah Ghafoor, Michaela Rothova, Abigael Tucker, John G Maisey, Chen-Ming Fan, Maiko Kawasaki, Atsushi Ohazama, Paul Tafforeau, Brunella Franco, Jill Helms, Courtney J Haycraft, Albert David, Philippe Janvier, Martyn T Cobourne and Paul T Sharpe

BMC Biology 2013, 11:27  doi:10.1186/1741-7007-11-27

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