Most likely the Merck Manual.  It's online (17th ed.)
at their website:

Bill Nichols
Eglin AFB, FL
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-----Original Message-----
From: Purvis Lola [mailto:[log in to unmask]]

        I have a physician (gastroenterology) asking for the Myrick Manual
in electronic format.  Have you heard of this?  What is the correct
spelling?  I have looked at Locator Plus with 2 hits on the name Myrick.