Archivo del sitio

It was designed to collect data on respondents; background traits; patterns of tobacco use; former/previous tobacco consumption; age of initiation of each day smoking; consumption of various tobacco merchandise (cigarettes, pipes, cigars and other smoked tobacco); nicotine dependence; frequency of

Etiquetado con:
Publicado en: Uncategorized
Buscar
Visitenos en:
  • Facebook
  • Twitter
  • Google Plus
  • Youtube