"Metals and welding: Pregnancy outcome and fertility. Markku Sallmén. Finnish
Institute of Occupational Health. Simultaneous exposure to several metals."
http://osh.sm.ee/systems/twin_dl/content/TWINNI1.PPT
"Metals and welding: Pregnancy outcome and fertility. Markku Sallmén. Finnish
Institute of Occupational Health. Simultaneous exposure to several metals."
http://osh.sm.ee/systems/twin_dl/content/TWINNI1.PPT
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