title: Manganese showcase symposium.
authors.affiliation: Risk Sciences International, Ottawa, Ontario, Canada. Electronic address: dmattison@risksciences.com.
authors.forename: Donald R
authors.initials: DR
authors.lastname: Mattison
authors.affiliation: Cranfield University, United Kingdom.
authors.forename: Len
authors.initials: L
authors.lastname: Levy
authors.affiliation: International Manganese Institute, Paris, France.
authors.forename: Doreen
authors.initials: D
authors.lastname: McGough