Barbieri et al., 1988

152 Seveso residents of TCDD contaminated area

Neurologic examination, EMG

Chloracne

123 residents from nearby towns

Bertazzi et al., 1989

Seveso residents, 556 zone A; 3,920 zone B; 26,227 zone R

No: mortality data only

Residence in contaminated area

167,391 nonexposed residents of surrounding area

Boeri et al., 1978

470 zone A Seveso residents

Interview, neurologic exam, EMG

Residence in zone A

152 zone R residents

Filippini et al., 1981

308 Seveso residents

EMG, neurologic examination

Chloracne, abnormal hepatic enzymes

305 nearby nonexposed residents

Gilioli et al., 1979

35 lab technicians in Seveso

EMG

No

35 subjects from more distant areas

Pocchiari et al., 1979

446 Seveso residents

Neurologic examination

Residence in zone A

255 inhabitants from low exposure area (zones B and R)

Stehr et al., 1986

68 Missouri residents of TCDD contaminated area

Neurologic examination

Self-reports

36 individuals with little or no TCDD exposure

Hoffman et al., 1986 Stehr-Green et al., 1987

154 Missouri residents, Quail Run

Neurologic examination, neuropsychologic battery

Residence in contaminated area 6+ months

155 unexposed residents