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  • "Are you having a Heart Attack?" womenheart.org. 2008. http://www.womenheart.org/information/are_you_having_an_attack.asp
  • "Heart Attack." texasheart.org. 2008. http://www.texasheart.org/HIC/Topics/Cond/HeartAttack.cfm
  • "Heart Attack? May not know it!" jamesmauer.com. 2008. http://www.jamesmaurer.com/heart-attack-symptoms.asp
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    http://www.medhelp.org/forums/cardio/archive/5631.html
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    http://www.silentheartattack.org/
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  • "Silent Ischemia." texasheart.org. 2008. http://www.texasheart.org/HIC/Topics/Cond/silent.cfm
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