[A new method for the determination of fibrogenic activity of silica dust with the aid of frog (Rana esculenta) tests].
D000818:Animals; D001001:Anura; D004391:Dust; D011893:Rana esculenta; D011898:Ranidae; D012822:Silicon Dioxide
D004391:Dust; D012822:Silicon Dioxide
SILICA