Author: Sheppard L

Original article 2015;41(1):94-101   pdf full text
Neurological outcomes associated with low-level manganese exposure in an inception cohort of asymptomatic welding trainees
Baker MG, Criswell SR, Racette BA, Simpson CD, Sheppard L, Checkoway H, Seixas NS
 
Original article 1996;22(2):94-101   pdf
Maximizing accuracy and precision using individual and grouped exposure assessments
Seixas NS, Sheppard L