Get the inside story on the famous fortress in the heart of Moscow that has withstood fires, invaders, and revolutions for almost seven hundred years.Lined by nineteen beautiful towers, the high walls
Catchy rhymes and visual cues introduce young readers to the people they'll encounter as they embark on their first day of school.Spot A+ clues on the clothesline to identify all the people who make s
Get in the game and use clues on the clotheslines to identify a slew of sports. Catchy rhymes and visual cues introduce young readers to sports in this companion to Clothesline Clues to Jobs People Do
這本大幅度修訂的暢銷書，將持續成為醫師、護理師、藥師及其他健康專業人士在參與各種臨床、轉譯醫學及公共衛生研究時的標準實用指南。本書以讀者方便使用的方式，呈現先進的流行病學概念；並提出以常識性的策略面對研究設計、申請經費及執行研究的過程中，各種具挑戰性的判斷。 擴展及更新每章節的內容，新的內容有： o 用於比較效益研究的試驗 o 以發病密度進行抽樣的病例對照研究 o 干擾作用及作用修飾 o 以診斷性
