kuang ming
1.Kuang-ming albino mice weaned 2 wk weresubjected to inhale 0.0, 2.9±0.34, 19.18±1.89, 189.00±13.26mg/m~3, chloroprene (GCpurity 99.69%) 4 h daily (except Sunday)for 7 month. All survivors were killed atthe end of the 8th month or when mori-bund. No lung tumor was found before the6th month.

