title: Retrospective monitoring: A review.
abstract: The development of chronological reference points to which present levels of inorganic pollutants can be compared is increasingly needed. This review is directed toward biological samples which are datable and have been characterized for one or more elements.
authors.affiliation: Environmental Chemistry Section, Institute of Agricultural Medicine and Environmental Health, College of Medicine, University of Iowa, 52319, Oakdale, Iowa, U.S.A..
authors.forename: C
authors.initials: C
authors.lastname: Tuthill
authors.forename: W
authors.initials: W
authors.lastname: Schutte
authors.forename: C W
authors.initials: CW
authors.lastname: Frank
authors.forename: J
authors.initials: J
authors.lastname: Santolucito
authors.forename: G
authors.initials: G
authors.lastname: Potter