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BackgroundDecades of research has yielded few clues about causes of sudden infant death syndrome (SIDS). While some studies have shown a link to inborn errors of metabolism (IEMs), few have examined the link in a large population‐based sample. This population‐based case–control study assessed the association between undiagnosed IEMs and SIDS.
MethodsChildren born in California during 2005–08 who...