I was asked to find the rule of 40 as it relates to insulin--I have rules of 1500 1800 500 450 but can't find anything that relates to a rule of 40 Any of my colleagues have any idea what this might be????? Cora Damon Health Sciences Library MaineGeneral Medical Center 149 North St. Waterville, Me. 04901 207-872-1224 fax 207-872-1460 [log in to unmask] "The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn and relearn." Alvin Toffler. DISCLAIMER: This communication (including all attachments) is intended solely for the use of the person or persons to whom it is addressed and should be treated as a confidential MaineGeneral Health communication. If you are not the intended recipient, any use, distribution, printing, or copying of this email is strictly prohibited. If you received this email in error, please immediately delete it from your system and notify the originator. Your cooperation is appreciated. Thank you.