抄録
115 lead workers medically noticed in 600 subjects. These workers were statistically investigated, and the following results were obtained.
1) . Anemia were in 52 subjects, urinary coproporphyrin were in 66 subjects and stippled cells were in 31 subjects respectively observed. Most of these subjects have a simple symptom.
2) . Anemia and coproporphyrinuria were observed in the young or inexperienced person, but anemia and stippled cells were observed, in old or skilled operatives.
3) . When the symptom was simple, it was relatively clear.
4) . The lead level in blood has norelation with anemia nor coproporphyrinuria, but it has a little relation with stippled cell counts.
