摘要
The authors have voluntarily retracted article [Zeng C,Zhang N W,Ren J.Recent progress in AFM studies of biodegradable poly(lactic acid) materials.Chin Sci Bull,doi:10.1007/s11434-012-5052-z] because of portions of the article are similar to a previous
The authors have voluntarily retracted article [Zeng C, Zhang N W, Ren J. Recent progress in AFM studies of biodegradable poly（lactic acid） materials. Chin Sci Bull, doi： 10.1007/s11434-012-5052-z] because of portions of the article are similar to a previous publication [Yuryev Y, Wood-Adams P, Brisson J, et al.
