International variations in primary care physician consultation time: a systematic review of 67 countries 論文 Greg Irving・Ana Luísa Neves・Hajira Dambha‐Miller・Ai Oishi・Hiroko Tagashira・Anistasiya Verho・John Holden ·2017-10-01 ·『BMJ Open』 7(10) pp. e017902-e017902 doi:10.1136/bmjopen-2017-017902