['< sod > * http : / / • www. drugtext. org / library / books / mccoy / i book / 10 27. 30 htm { { dead file link | date = september 3 2012 } } < isis eod > < sod > * http : / / web. archive. org / web / 20060822105343 / http : / / www. int drugtext. org : 80 / library / books / mccoy / book / 1 27. htm < google eod >']