During the past decade, there has been a dramatic increase in the use of multilevel modeling in epidemiologic analysis. There were 10 times as many papers in Index Medicus identified by the terms ‘‘multilevel’’ and ‘‘epidemiology’’ in 2005 than there were in 1995. In recent years, the American Journal of Epidemiology has published papers that use multilevel analyses to consider the associations...

The application of medicinal plants to maintain health and treat disease started since time immemorial and still is a part of medical practice.Terminalia arjuna is a tree with simple leaf, smooth and thick bark belonging to the family Combretaceae. Flowers are small, regular, sessile, cup-shaped, polygamous, white, creamy or greenishwhite and robustly honey-scented and flowering from April to J...

Se aportan nuevos registros de varios taxones flora vascular, tanto autóctonos como alóctonos naturalizados, interés corológico: Vachellia farnesiana (L.) Wight & Arn. (novedad para Andalucía occidental), Astragalus boeticus L. la Vega), Cullen americanum Rybd. Vega y Sierra Norte, en zona transición entre ambas), Solanum elaeagnifolium Cav. provincia Córdoba) Pulicaria dysenterica Bernh. (...