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Is there a reason that an article about a specific equation does not actually include the equation in question? —Preceding unsigned comment added by 18.242.6.248 ( talk) 23:46, 8 October 2009 (UTC) reply

Reference 1 does not exist. I just checked PROLA. The article ought to mention that it is specifically relativistic bound states that are described. —Preceding unsigned comment added by Giedt ( talk • contribs) 19:18, 16 November 2008 (UTC) reply