| 1. Schwartz, Tulipan and Peck: Occupational Diseases bf the Skin, p. 39, 78. 2nd Ed. Henry Kimpton, 1947.
2. Legge: Industrial Maladies, p. 159, Oxford Medical Publications, 1934.
3. 苏联劳动卫生学,171,东北人民政府卫生部,1950.
4. Patty: Industrial hygiene and Toxicology IL, p. 551, 610, Interscience Publishers, Ltd. x.949.
5. Schwartz: Arch. Dermat. and Syph 50: 25,1944. |
