1 23 Techniques in Coloproctology Official Journal of SICCR, MSCP, ISCRS, ECTA, Colorectal Anal Group of Surgical Section of Chinese Medical Association, MSPFD ISSN 1123-6337 Volume 18 Number 2 Tech Coloproctol (2014) 18:213-214 DOI 10.1007/s10151-012-0955-x Long-term follow-up of after STARR for obstructed defecation C. R. Asteria, S. Bellarosa, G. Chiarioni, F. Mazzola, O. Bruni, V. Villanacci & G. Bassotti