Strictly speaking, APA Style does not allow the abbreviation to be reintroduced in subsequent sections of an article or paper.
Sam Smith or Sam Smith, Ph. In the UK, we use a full stop when an abbreviation only includes the first part of a word e. The single period does double duty—marking the abbreviation and closing the sentence. Richard Nordquist is a freelance writer and former professor of English and Rhetoric who wrote college-level Grammar and Composition textbooks.
Could the abbreviation be misinterpreted because it is also used to abbreviate another term that will be more recognisable to some readers?
Updated 31 October These come in many forms, most with important roles in academic writing not least ensuring brevity.