Lead and delta-aminolevulinic acid concentrations in human parotid saliva.

@article{Digregorio1974LeadAD,
  title={Lead and delta-aminolevulinic acid concentrations in human parotid saliva.},
  author={Guido Digregorio and Andrew Ferko and R G Sample and E Bobyock and R F McMichael and W S Chernick},
  journal={Toxicology and applied pharmacology},
  year={1974},
  volume={27 3},
  pages={491-3}
}