TY - GEN AU - Thiel,H L TI - [First results of a preventive ophthalmologic examination in a large chemical factory] SN - 0070-427X PY - 1971///0615 KW - Accidents, Occupational KW - prevention & control KW - Chemical Industry KW - Color Perception Tests KW - Germany, West KW - Humans KW - Occupational Diseases KW - Tonometry, Ocular KW - Vision Tests N1 - Publication Type: Journal Article ER -