From professional translators, enterprises, web pages and freely available translation repositories.
clin.
benson, j.m., d.g. burt, y.s. cheng, a.f. eidson, d.k. gulati, f.f. hahn, c.h. hobbs, and j.a. pickrell, "subchronic inhalation toxicity of nickel subsulfide to rats and mice", inhalation toxicol., 2: 1-19 (1990).