Objective To observe the application of viscoelastics in penetrating keratoplasty.目的探讨黏弹剂在穿透性角膜移植术中应用的意义.Objective To investigate the clinical value of deeper lamellar keratoplasty treating keratoconus.目的探讨深板层角膜移植治疗圆锥角膜的...
Cranberries have become a major cash crop.越橘已经成了主要经济作物。The cash dividends they get from the cash crop would sustain them during the lean season.从经济作物中获得的收益能帮助他们度过不景气的时期。I guess you could say it's the ultimate cash c...