Simple method for determination of urinary  -aminolevulinic acid as an index of lead exposure.
D000085:Acetates; D000090:Acetoacetates; D004796:Clinical Enzyme Tests; D005069:Evaluation Studies as Topic; D006801:Humans; D007202:Indicators and Reagents; D007855:Lead Poisoning / Q000175:diagnosis*; D007982:Levulinic Acids / Q000652:urine*; D008297:Male; D008403:Mass Screening; D008722:Methods; D011162:Porphobilinogen / Q000652:urine; D011422:Propionates; D011758:Pyrroles; D013053:Spectrophotometry; D013997:Time Factors
D000085:Acetates; D000090:Acetoacetates; D007202:Indicators and Reagents; D007982:Levulinic Acids; D011422:Propionates; D011758:Pyrroles; D011162:Porphobilinogen