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Syndication

Wed, 28 December 2011
Norteko Ferrokarrilla/2011-12-27/Haurdunaldiaren hamabigarren astea

Haurdunaldiaren hamabigarren astea garrantzitsua da. Lehen hiru hilabeteen bukaera da, eta mugarri garrantzitsua da fetuarentzat, baita amarentzat ere. Aste honetarako, umearen gorputzaren sistema nagusiak bukatuak ez, baina garatzen eta kasu askotan funtzionatzen ari dira.

Direct download: NFXVI-17b.mp3
Category:science -- posted at: 12:00am EDT