The participants were aged 45 to 65 years at the 1987 to 1989 baseline examination, and were free from CHD. The presence of HF was defined as hospitalization and discharge diagnosis for HF.是什么意思_The participants were aged 45 to 65 years at the 1987 to 1989 baseline examination, and were free from CHD. The presence of HF was defined as hospitalization and discharge diagnosis for HF.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句