Time to pregnancy as a function of male and female serum concentrations of 2,2'4,4'5,5'-hexachlorobiphenyl (CB-153) and 1,1-dichloro-2,2-bis (p-chlorophenyl)-ethylene (p,p'-DDE).
Division of Occupational and Environmental Medicine and Psychiatric Epidemiology, Lund University Hospital, SE-221 85 Lund, Sweden. anna.axmon@med.lu.se