Secondhand-smoke and CVD A Global Epidemic Richard D. Hurt, M.D. Professor of Medicine Director, Nicotine Dependence Center .
Determining Exposure to Secondhand Smoke Richard D. Hurt MD Professor of Medicine, College of Medicine Director, Nicotine Dependence Center Mayo Clinic.
Determining Exposure to Secondhand Smoke
System error Biases in epidemiological studies FETP India.
