PT - JOURNAL ARTICLE AU - Hiroaki Matsuura TI - World Committee on Tourism Ethics (WCTE) recommendation on COVID-19 certificates for international travel AID - 10.1136/bmjgh-2021-006651 DP - 2021 Jul 01 TA - BMJ Global Health PG - e006651 VI - 6 IP - 7 4099 - http://gh.bmj.com/content/6/7/e006651.short 4100 - http://gh.bmj.com/content/6/7/e006651.full SO - BMJ Global Health2021 Jul 01; 6