ATC/DDD methodology : a country perspective / Ly Rootslane, Alar Irs
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Citation
Rootslane, Ly & Irs, Alar. (2001). ATC/DDD methodology : a country perspective / Ly Rootslane, Alar Irs. WHO drug information 2001 ; 15(1) : 26-30 https://iris.who.int/handle/10665/75046