Now showing items 1-2 of 2

    • Assessing tobacco use in an African population: serum and urine cotinine cut-offs from South Africa 

      Ware, Lisa J.; Kruger, Ruan; Breet, Yolandi; Van Rooyen, Johannes; Huisman, Hugo; Botha, Shani; Uys, Aletta S.; Schutte, Aletta E. (Elsevier, 2019)
      Background Cotinine, a nicotine metabolite, is used to measure tobacco use and exposure, but recommended cut-offs to differentiate tobacco users from those exposed through the environment range from 3 to 58 ng/ml in serum, ...
    • Smoking and vascular dysfunction in Africans and caucasians from South Africa 

      Schutte, Aletta Elisabeth; Van Rooyen, Johannes Marthinus; Zatu, Mandlenkosi Caswell (Clinics Cardive, 2011)
      Background: Smoking is an important modifiable risk factor for cardiovascular disease, with limited research having been done in Africans. We aimed to determine the association between smoking and measurements of vascular ...