WHO. (1993). Environmental health criteria; N.144: Principles for evaluating chemical effects on the aged population. Geneva: WHO.
Trích dẫn kiểu ChicagoWHO. Environmental Health Criteria; N.144: Principles for Evaluating Chemical Effects On the Aged Population. Geneva: WHO, 1993.
Deismireacht MLAWHO. Environmental Health Criteria; N.144: Principles for Evaluating Chemical Effects On the Aged Population. Geneva: WHO, 1993.
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