Is endothelin-1 involved in serotonin-induced coronary spasm in a swine model?
The results of this study suggest that endogenous ET-1 may not be involved in the pathogenesis of serotonin-induced coronary spasm in our swine model.
Few adolescent smokers in California surveyed during the 1999-2000 school year had attempted to obtain cigarettes from the internet. As internet access increases, future studies should examine whether internet cigarette vendors sell to minors and whether adolescents are purchasing cigarettes on the internet.