Roland, M., & Torgerson, D. J. (1998). What are pragmatic trials? BMJ Group.
シカゴスタイル引用形Roland, M., , D. J. Torgerson. What Are Pragmatic Trials? BMJ Group, 1998.
MLA引用形式Roland, M., , D. J. Torgerson. What Are Pragmatic Trials? BMJ Group, 1998.
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