No, Yeon A <br/><br/>
Long-Term (24-Month) Safety Evaluation of Poly-DL-Lactic Acid Filler Injection for the Nasolabial Fold: A Multicenter, Open, Randomized, Evaluator-Blind, Active-Controlled Design.  [electronic resource] 

 -  Plastic and reconstructive surgery  Jun 2015 
 - 1074e-1075e p.  digital 
<br/><br/> Publication Type: Letter; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1529-4242 
<br/><br/><label>Standard No.: </label>10.1097/PRS.0000000000001247  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Cosmetic Techniques<br/>Esthetics<br/>Female<br/>Follow-Up Studies<br/>Humans<br/>Injections, Intralesional<br/>Lactic Acid--pharmacology<br/>Male<br/>Middle Aged<br/>Nasolabial Fold<br/>Patient Safety<br/>Polyesters<br/>Polymers--pharmacology<br/>Rejuvenation--physiology<br/>Risk Assessment<br/>Single-Blind Method<br/>Time Factors<br/>Treatment Outcome