RYCHEL, Amanda L, Shannon E Smith, Heather T Shimamoto, Billie J Swalla. Evolution and development of the chordates: collagen and pharyngeal cartilage. Molecular Biology and Evolution. 2006-03, roč. 23, čís. 3, s. 541–549. Dostupné online [cit. 2010-03-30]. ISSN0737-4038. DOI10.1093/molbev/msj055.
RYCHEL, Amanda L, Billie J Swalla. Development and evolution of chordate cartilage. Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution. 2007-05-15, roč. 308, čís. 3, s. 325–335. Dostupné online [cit. 2010-03-30]. ISSN1552-5007. DOI10.1002/jez.b.21157.
google.cz
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HALL, Brian Keith. Bones and cartilage: developmental and evolutionary skeletal biology. [s.l.]: [s.n.], 2005. Dostupné online.
nih.gov
ncbi.nlm.nih.gov
RYCHEL, Amanda L, Shannon E Smith, Heather T Shimamoto, Billie J Swalla. Evolution and development of the chordates: collagen and pharyngeal cartilage. Molecular Biology and Evolution. 2006-03, roč. 23, čís. 3, s. 541–549. Dostupné online [cit. 2010-03-30]. ISSN0737-4038. DOI10.1093/molbev/msj055.
RYCHEL, Amanda L, Billie J Swalla. Development and evolution of chordate cartilage. Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution. 2007-05-15, roč. 308, čís. 3, s. 325–335. Dostupné online [cit. 2010-03-30]. ISSN1552-5007. DOI10.1002/jez.b.21157.
worldcat.org
RYCHEL, Amanda L, Shannon E Smith, Heather T Shimamoto, Billie J Swalla. Evolution and development of the chordates: collagen and pharyngeal cartilage. Molecular Biology and Evolution. 2006-03, roč. 23, čís. 3, s. 541–549. Dostupné online [cit. 2010-03-30]. ISSN0737-4038. DOI10.1093/molbev/msj055.
RYCHEL, Amanda L, Billie J Swalla. Development and evolution of chordate cartilage. Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution. 2007-05-15, roč. 308, čís. 3, s. 325–335. Dostupné online [cit. 2010-03-30]. ISSN1552-5007. DOI10.1002/jez.b.21157.