This is a continuing series which began here
 Scientists at Dow Chemical Co. argue that many naturally occurring combustion processes produce small but measurable amounts of dioxin.
 This product was taken off the market, then reintroduced without hexachlorophene under the name pHisoderm.
 Janice Long, David J. Hanson, "Dioxin issue focuses on three major controversies in the U.S." Chemical and Engineering News, 6 June, 1983, p. 23.
 Laszio K. Domjan, "Handler of dioxin oil is leaving business," St. Louis Post-Dispatch, 2 Dec., 1982, sec A, p. 1, quoted therein.