TY - BOOK ED - National Research Council (U.S.). ED - ProQuest (Firm) TI - Use of gray literature and other data in environmental epidemiology T2 - Environmental epidemiology AV - RA565 .N38 1997 PY - 1997/// CY - Washington, D.C. PB - National Academy of Sciences KW - Environmental health KW - Epidemiology KW - Electronic books N1 - Includes bibliographical references and index; Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries UR - https://ebookcentral.proquest.com/lib/bacm-ebooks/detail.action?docID=3375688 ER -