Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...
New study reveals low maternal vitamin D levels may ‘fast-forward’ fetal biological clocks, raising questions about long-term health risks and prenatal care strategies. Research: Maternal ...
1 Department of Clinical Laboratory, Hanzhong Central Hospital, Hanzhong, China 2 Department of Clinical Laboratory, The First affiliated hospital of Xi’an Jiaotong University, Xi'an, China Background ...
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