This was published in March 2008 and is available online at: http://www.sehd.scot.nhs.uk/pca/PCA2008(P)07(M)03.pdf. In addition to this, wig prescribing guidance was issued to NHS board chief executives in November 2011, which was produced as a result of the work of the Supply of Wigs Investigation Group Scotland: http://www.show.scot.nhs.uk/sehd/public...