PT Journal AU Levin, J TI First Nordic workshop on quality assurance in occupational hygiene, 25–26 August 1994 SO Scandinavian Journal of Work, Environment & Health PD 8VL PY 1995 BP 312 EP 314 IS 4 WP https://www.sjweh.fi/show_abstract.php?abstract_id=1079 DE meeting report; occupational hygiene; quality assurance SN 0355-3140 ER