WHO. (1992). International statistical classification of diseases and related health problems: Vol.1. Geneva: OMS.
Trích dẫn kiểu ChicagoWHO. International Statistical Classification of Diseases and Related Health Problems: Vol.1. Geneva: OMS, 1992.
MLA citiranjeWHO. International Statistical Classification of Diseases and Related Health Problems: Vol.1. Geneva: OMS, 1992.
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