母亲孕期暴露于小剂量紫外线辐射、分娩月份和后代多发性硬化的风险：纵向研究。
Lowmaternal exposure to ultraviolet radiation in pregnancy, month of birth, and risk of multiple sclerosis in offspring: longitudinal analysis.
母亲孕期暴露于小剂量紫外线辐射、分娩月份和后代多发性硬化的风险：纵向研究。
Lowmaternal exposure to ultraviolet radiation in pregnancy, month of birth, and risk of multiple sclerosis in offspring: longitudinal analysis.
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