Vasoconstriction following spontaneous sighs and head-up tilts in infants sleeping prone and supine

The cutaneous vasoconstrictor responses following a 60° head-up tilt and a spontaneous sigh were measured in 36 infants at 1 and 3 months age to investigate the effects of age, sleep state and sleep position on these responses. The vasoconstrictor response was determined by a measure of cutaneous bl...

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