Abstract
The venorelaxant effect of atrial natriuretic factor in man was studied using the dorsal hand vein technique. Infusion of met-ANF to preconstricted veins at doses up to 240 ng min-1 in 11 healthy male subjects caused only minimal venorelaxation. Atrial natriuretic factor is unlikely to have a significant venorelaxant effect at physiological doses in man.
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