Higher preconception maternal and paternal vitamin B12 was tied to fewer birth defects in a Shanghai cohort of 3032 couples.
|Articles|March 1, 2002
Murmurs, fainting, chest pain: Time for a cardiology referral?
When you are presented with a child who has a murmur, chest pain, or syncope, what findings on history and physical exam point to cardiac pathology? When should you refer?
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