Learn More
Hepatitis A virus (HAV) has shifted from high to intermediate endemicity in Mexico, which may increase the risk of clinically significant HAV infections in older children, adolescents and adults. The objective of this study was to evaluate the cost-utility of single-dose or 2-dose universal infant HAV vaccination strategy in Mexico, compared with no(More)
  • Jorge Arturo Balderrama-Trápaga, Fernando Carlos, Aparicio-Naranjo, R E S U M E N, Dopamina
  • 2008
Efecto de agonistas y antagonistas de la dopamina en ambientes de reforzamiento variables A B S T R A C T The anhedonia hypothesis maintains that pleasure for food-reward is determined by dopamine activity in the brain. The cumulative body of empirical evidence shows that dopamine agonists and antagonists (e.g., Methylpheni-date and Haloperidol,(More)
  • 1