title: Late patch test reactions: delayed immune response appears to be more common than active sensitization.
authors.affiliation: Department of Dermatology, Royal Hallamshire Hospital, Sheffield S10 2JF, UK. david.gawkrodger@sth.nhs.uk
authors.forename: D J
authors.initials: DJ
authors.lastname: Gawkrodger
authors.forename: L
authors.initials: L
authors.lastname: Paul