Authors: Bubenik, GA Pang, SF Cockshut, JR Smith, PS Grovum, LW Friendship, RM Hacker, RR

Citation: Ga. Bubenik et al., Circadian variation of portal, arterial and venous blood levels of melatonin in pigs and its relationship to food intake and sleep, J PINEAL R, 28(1), 2000, pp. 9-15