Pornchai Sithisarankul. 1996. Quantification of ALA in plasma and urine from lead-exposed subjects. , Johns Hopkins University;

Pornchai Sithisarankul. Quantification of ALA in plasma and urine from lead-exposed subjects. . Maryland:Johns Hopkins University, 1996.

Pornchai Sithisarankul. (1996) Quantification of ALA in plasma and urine from lead-exposed subjects . Johns Hopkins University/Maryland.