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0362-25258811951JanJournal of morphologyJ MorpholA series of normal stages in the development of the chick embryo.499249-92HAMBURGERVVHAMILTONH LHLengJournal Article
United StatesJ Morphol04061250022-2887OMAnimalsChick EmbryoEmbryo, MammalianEmbryo, Nonmammalian5120:35304:301EMBRYO20142196019511100201481360ppublish24539719