Nettell, E. A. (1948). Points from Letters: Relief of Pain in Midwifery.
シカゴスタイル引用形Nettell, Elizabeth A. Points From Letters: Relief of Pain in Midwifery. 1948.
MLA引用形式Nettell, Elizabeth A. Points From Letters: Relief of Pain in Midwifery. 1948.
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