Application of data mining techniques and logistic regression to model drug use transition to injection: a case study in drug use treatment centers in Kermanshah Province, Iran

Abstract Background Drug injection has been increasing over the past decades all over the world.Hepatitis B and C viruses (HBV and HCV) are two common infections among Handbags people who inject drugs (PWID) and more than 60% of new human immunodeficiency virus (HIV) cases are PWID.Thus, investigating risk factors associated with drug use transitio

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Morphological diversity of foliar trichomes in Asteraceae from Sand-fields of the Pampa biome, Rio Grande do Sul State, Brazil

ABSTRACT Asteraceae is the largest family of angiosperms and occurs predominantly in grassland areas.This study aimed to identify and characterize the foliar trichomes of 34 Asteraceae species Bong Acessories from Sand-fields of the Pampa biome, by means of epidermal analyzes (front and transverse view) under light and scanning electron microscopy.

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