[Which fly does the fish like best?].
Hynynen
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HYKS:n kirurginen sairaala Kasarminkatu 11-13, 00130 Helsinki. juhani.ahonen@huch.fi
Kellokumpu
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Ahonen
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D000818:Animals; D001522:Behavior, Animal; D005399:Fishes; D006801:Humans; D013177:Sports; D014925:Wit and Humor as Topic