Definition and synonyms of SOLE from the online English dictionary from Macmillan Publishers Limited.
DEA number. A DEA number (DEA Registration Number) is a number assigned to a health care provider (such as a medical practitioner, optometrist, pharmacist, dentist, or veterinarian) by the U.S. Drug Enforcement Administration allowing them to write prescriptions for controlled substances.
A DOI is a digital object identifier, a unique number that is assigned to a digital or electronic work.