Crossword puzzle. Ostrov BE. J Clin Rheumatol. 2002 Aug;8(4):235. doi: 10.1097/00124743-200208000-00017. PMID: 19078519
Crossword Solutions. [No authors listed] J Oral Maxillofac Pathol. 2019 Sep-Dec;23(3):481. PMID: 31942147
Palliative Crossword Puzzle. Fleser L. J Palliat Med. 2020 May;23(5):727-728. doi: 10.1089/jpm.2019.0593. PMID: 32378994
Basic Principles of Obstetric Anesthesiology: A Crossword Puzzle. Wright J, Simpao AF, Viswanath O. J Clin Diagn Res. 2017 Jul;11(7):UO01-UO02. doi: 10.7860/JCDR/2017/27981.10209. Epub 2017 Jul 01. PMID: 28893019
Crossword puzzle. Ostrov BE. J Clin Rheumatol. 2001 Jun;7(3):141-207. doi: 10.1097/00124743-200106000-00018. PMID: 19078502
Crossword puzzle. Ostrov BE. J Clin Rheumatol. 2001 Dec;7(6):409. doi: 10.1097/00124743-200112000-00014. PMID: 19078507