【求助】有几条proof的意见不大懂，请问应该怎么回复

proof有几条意见没看明白，请园子里兄弟姐妹帮忙看看应该怎么回答，万分感谢！！
1、Please check and provide page range forref. 9.
原文献就是这样的，页码只有一页，这怎么表述呢？
Bailey TC, Noirot LA, Gage BF, et al. ImprovingAdherence to Coronary Heart Disease Secondary Prevention Medication Guidelinesat a Community Hospital.AMIA Annual SymposiumProceedings. 2006;2006:850.
2、 Please ensure that your trial registrationnumber (if relevant for your article type) appears at the end of the abstract. If not, pleaseprovide and we will insert.
没有试验注册号，怎么办？如实回复还是？



3、‘lower ’ has been inserted before‘ bloodpressure’ - please check
这是什么意思，没看明白




4、Please check that the meaning of thesentence beginning‘ The indicators were evaluated’

is clear


这是什么意思，没看明白
5、Liuet al are not cited in ref 11 - please check.



这是我引用的一篇中文文献，PUBMED查不到，这怎么说呢？或者我说把这篇文献删除，行不行呢？
杂志社要求明天将意见返回，所以请大家帮忙看看，在这里感谢各位了哈！