Carolyn Beeler, Newsworks.org, June 7, 2011 As their contracts with Crozer-Chester Medical Center expire Wednesday, 700 nurses at the Chester, Pennsylvania, hospital are considering a strike. They have authorized their union to give a 10-day notice of intent to strike if negotiations stall, though they say they will work without a contract if good-faith bargaining efforts extend past the deadline. Mandatory nurse-to-patient staffing ratios are at issue. The nurses union wants no more than two patients per nurse in intensive care, and no more than five on a standard surgical unit. The state average is about five and a half patients per nurse. ... Crozer-Chester