Gupta P, Hari S, Thulkar S
Singapore Med J 2013; 54(8): 463-469; http://dx.doi.org/10.11622/smedj.2013155
 
The title of the article should read “Imaging spectrum of peripheral primitive neuroectodermal tumours”.
 
Singapore Med J 2014; 55(2): 106; http://dx.doi.org/10.11622/smedj.2014024