         Sentence fjter. 26: hours of surgery and:   "a_yeat,_of anticipation, the boys. were.  ‘Separated: Sunday at: Children's. Medical.  Center of Dallas’.         Sentence Ztwo-year-old Egyptian’ twin:  boys, born with ‘their heads conjoined   , have been separated after. 2G hours of  surgery at the Children’'s s Medical Centre  in Dallas... S