chronic liver disease diagnosis http://hypertextbook.com/facts/2004/MaryPennisi.shtml Mass of a human liver http://hypertextbook.com/facts/2004/MaryPennisi.shtml http://hypertextbook.com/facts/2004/MaryPennisi.shtml http://hypertextbook.com/facts/2004/MaryPennisi.shtml http://hypertextbook.com/facts/2004/MaryPennisi.shtml