PT - JOURNAL ARTICLE AU - DeFriese, Gordon H. TI - Introduction AID - 10.18043/ncm.63.6.290 DP - 2020 Nov 01 TA - North Carolina Medical Journal PG - 290--290 VI - 63 IP - 6 4099 - http://www.ncmedicaljournal.com/content/63/6/290.short 4100 - http://www.ncmedicaljournal.com/content/63/6/290.full SO - N C Med J2020 Nov 01; 63