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卫生学的调查研究常用临床病例观察、动物实验和流行病学调查等方法。应根据不同的目的选用,这样可以发挥各方法的长处。在探讨职业病的病因时,利用病例记录较有效;在探讨中毒的因果关系和生物学作用机理时,动物实验方法较好;而在判定剂量-反应关系以及化学物质对健康的影响时,应当用流行病学调查方法。如原因物质为已知,用流行病学调查方法确定该物质对健康的影响是最恰当的。
Hygiene survey commonly used clinical case observation, animal experiments and epidemiological survey methods. Should be selected according to different purposes, so that you can play the strengths of the various methods. In the study of the cause of occupational diseases, the use of case records more effective in the causal relationship between toxicity and biological mechanism of action, the animal experimental method is better; and in determining the dose-response relationship and the health effects of chemicals should be used Epidemiological survey method. If the cause of the substance is known, it is most appropriate to use epidemiological investigation to determine the health effects of the substance.