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2025, Vol. 46(23): 90-93    DOI: 10.13884/j.1003-3807hxjy.2025030232
Experimental Design for Testing Iron in Iron-Fortified Soy Sauce
GUO Run1**, LU Jie1, LIN Sen1, CHENG Chang-Qin2
1. Huainan No.2 Senior High School, Huainan 232000, China;
2. Huainan City Primary and Secondary School Teaching Research Office, Huainan 232001, China
Received 2025-03-28  Revised null
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