方法:椎間盤部分置換的植入物由聚合水凝膠 ( 乙烯醇 ) 組成,并且被做成棒狀的形態. Methods . The implants for partial disc replacements were made of poly ( vinyl alcohol ) hydrogel and rod - shaped.
她用筆名艾莉森·庫珀寫作。She writes under the nom de plume of Alison Cooper.我跑上樓梯,見艾莉森躺在那里。I ran up the stairs and saw Alison lying at the top.我和艾莉森只得從他口中撬出談話內容。Alison and I had to prize conversation out of him....