The customers at the grocery stores represented a large sample of the Danish population, they said.
The customers at the grocery stores represented a large sample of the Danish population, they said.
研究人员称，食品店顾客的饮食习惯在丹麦人口中具有普遍代表性。
The customers at the grocery stores represented a large sample of the Danish population, they said.
研究人员称，食品店顾客的饮食习惯在丹麦人口中具有普遍代表性。