"Clinical Chemistry and Laboratory Medicine", 35.9 (1997): 647-736. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/cclm.1997.35.issue-9/issue-files/cclm.1997.35.issue-9.xml

Clinical Chemistry and Laboratory Medicine (1997), 35(9), pp. 647-736. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/cclm.1997.35.issue-9/issue-files/cclm.1997.35.issue-9.xml

Clinical Chemistry and Laboratory Medicine. 1997. 35(9): 647-736. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/cclm.1997.35.issue-9/issue-files/cclm.1997.35.issue-9.xml