r47
r47-
In order to make the subject appear in China Society of Library science Classification , four methods are optional : 1 . adding notes to " R47 Nursing " .
为使该学科在《中图法》中有所反映，笔者分析有四种方案可供选择：（1）在R47护理学下增加类目注释。
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Further study on anti-pathology effect of mice immunized with Schistosoma japonicum r47 ( sjr47 ) fractional antigen
SjR47组分抗原诱导抗日本血吸虫卵肉芽肿病变免疫效应的进一步研究