• Alavanja MC, Sandler DP, McMaster SB, Zahm SH, McDonnell CJ, Lynch CF, Pennybacker M, Rothman N, Dosemeci M, Bond AE, Blair A. 1996. The agricultural health study. Environ Health Perspect 104:362369.
  • Altman DG. 1991. Some common problems in medical research. Practical statistics for medical research. London: Chapman and Hall, pp. 403409.
  • Bachmann LM, Coray R, Estermann P, Ter Riet G. 2002. Identifying diagnostic studies in MEDLINE: Reducing the number needed to read. J Am Med Inform Assoc 9:653658.
  • Bassil KL, Vakil C, Sanborn M, Cole DC, Kaur JS, Kerr KJ. 2007. Cancer health effects of pesticides: Systematic review. Can Fam Physician 53:17041711.
  • Carelli V, Franceschini F, Venturi S, Barboni P, Savini G, Barbieri G, Pirro E, La Morgia C, Valentino ML, Zanardi F, Violante FS, Mattioli S. 2007. Grand rounds: Could occupational exposure to n-hexane and other solvents precipitate visual failure in leber hereditary optic neuropathy? Environ Health Perspect 115:113115.
  • Cochran WG, editor. 1963. Sampling techniques. New York: John Wiley and Sons, Inc.
  • Cooper GS, Miller FW, Germolec DR. 2002. Occupational exposures and autoimmune diseases. Int Immunopharmacol 2:303313.
  • Gehanno JF, Paris C, Thirion B, Caillard JF. 1998. Assessment of bibliographic databases performance in information retrieval for occupational and environmental toxicology. Occup Environ Med 55:562566.
  • Haafkens J, Moerman C, Schuring M, van Dijk F. 2006. Searching bibliographic databases for literature on chronic disease and work participation. Occup Med (Lond) 56:3945.
  • Haynes RB, Wilczynski N, McKibbon KA, Walker CJ, Sinclair JC. 1994. Developing optimal search strategies for detecting clinically sound studies in MEDLINE. J Am Med Inform Assoc 1:447458.
  • Mattioli S, Zanardi F, Baldasseroni A, Schaafsma F, Cooke RM, Mancini G, Fierro M, Santangelo C, Farioli A, Fucksia S, Curti S, Violante FS, Verbeek J. 2010. Search strings for the study of putative occupational determinants of disease. Occup Environ Med 67:436443.
  • National Center for Biotechnology Information. 2012. PubMed Clinical Queries. U.S. National Library of Medicine. Available at: (Accessed April 25, 2013).
  • National Center for Biotechnology Information. 2013. My NCBI. U.S. National Library of Medicine. Available at: (Accessed April 25, 2013).
  • Rollin L, Darmoni S, Caillard JF, Gehanno JF. 2010. Searching for high-quality articles about intervention studies in occupational health—What is really missed when using only the Medline database? Scand J Work Environ Health 36:484487.
  • Schaafsma F, Hulshof C, Verbeek J, Bos J, Dyserinck H, van Dijk F. 2006. Developing search strategies in Medline on the occupational origin of diseases. Am J Ind Med 49:127137.
  • Schaafsma F, Hulshof C, de Boer A, van Dijk F. 2007. Effectiveness and efficiency of a literature search strategy to answer questions on the etiology of occupational diseases: A controlled trial. Int Arch Occup Environ Health 80:239247.
  • Vandenbroucke JP, von Elm E, Altman DG, Gotzsche PC, Mulrow CD, Pocock SJ, Poole C, Schlesselman JJ, Egger M. 2007. Strengthening the reporting of observational studies in epidemiology (STROBE): Explanation and elaboration. PLoS Med 4:e297.
  • Verbeek J, Salmi J, Pasternack I, Jauhiainen M, Laamanen I, Schaafsma F, Hulshof C, van Dijk F. 2005. A search strategy for occupational health intervention studies. Occup Environ Med 62:682687.
  • Walker-Bone K, Palmer KT. 2002. Musculoskeletal disorders in farmers and farm workers. Occup Med (Lond) 52:441450.
  • Wilczynski NL, Haynes RB. 2003. Developing optimal search strategies for detecting clinically sound causation studies in MEDLINE. AMIA Annu Symp Proc 2003:719723.