中学校理科「大地のつくりと変化」における化石の観察を取り入れた授業実践例
Published in 理科の教育 = Science education monthly • Sep 15, 2009
Authors:
智 舩戸
Abstract
The current study investigated the protective efficacy of a formalin-inactivated infectious bronchitis virus (IBV) vaccine derived from the field strain KP729422, which exhibits low S1 spike protein sequence homology (77.1-79.8%) with the currently used vaccine strains in Egypt. Two-week-old, specif...
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