Is hyaline membrane disease underreported in a linked birth-infant death certificate database?
The Missouri State Department of Health birth-infant death certificate database underestimates the incidence of hyaline membrane disease, which suggest that national statistics for the disease are also underestimated.
These results show that endothelial function has diurnal variation and is significantly attenuated in the morning. Morning attenuation of endothelial function should be recognized in clinical research and may play an important role in the circadian variation of the occurrence of acute cardiovascular events.