January 2013 (vol. 208, no. 1, page 11)
Society for Maternal-Fetal Medicine, Simpson LL. Twin-twin transfusion syndrome: SMFM Clinical Guideline. Am J Obstet Gynecol 208;3:3-18.
In an SMFM Clinical Guideline, an incorrect mathematical symbol was used in a flowchart demonstrating an algorithm for managing twin-twin transfusion syndrome. The text in the box at the top of Figure 10 , “Algorithm for management of TTTS,” should read:
