@article{762d9d3bc9ea4729bae1135bc327720e,
title = "Content analysis: reliability and validity.",
author = "Lederman, \{R. P.\}",
note = "Copyright: This record is sourced from MEDLINE{\textregistered}/PubMed{\textregistered}, a database of the U.S. National Library of Medicine",
year = "1991",
doi = "10.1097/00005721-199107000-00008",
language = "English (US)",
volume = "16",
pages = "199",
journal = "MCN. The American journal of maternal child nursing",
issn = "0361-929X",
publisher = "Lippincott Williams and Wilkins",
number = "4",
}