More on that uplifting story about a Heparin overdose administered by accident to Dennis Quaid's newborn twins at Cedars Sinai. (We thought that massive Star of David on top of the hospital was supposed to ward off such mishaps. Time to wrap the whole building in 45 miles of red string.) "Thomas Boone and Zoe Grace are in stable condition. But a well-placed source at Cedars tells us they are 'still very concerned because of the bleed out,' adding they won't know for another week if the mistake will cause 'longterm effects.'" [TMZ]