Tonko Petkov

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The aim of this follow-up performed in a period of three years (1997-1999) was to assess the morbidity rate among children (0-17 years) and adults (18 years and above) from housing estates Sarafovo, Izgrev, Zornitsa and party Slaveykov, located close to the airport of Bourgas and compare it to population living at more distance from the airport (town(More)
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