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.
APA Online Sources. Digital Object Identifiers (DOI) A Digital Object Identifier (DOI) is a unique number assigned to some journal articles and books available electronically. Magazine and newspaper articles are not assigned DOIs. APA requires citations for journals and books to include a DOI, if it is available. Find the DOI on the article or look up the DOI with the author name and article title at: http://www.crossref.org/guestquery/. Research Database Sources.