Student or Learner
Would somebody please help me with my English?
1- Studies on the quality of information in journal advertising have examined different outcome measures, in a number of countries, at different times and applied different methodologies.
2-Available studies have shown the low quality of information provided by pharmaceutical representatives to physicians. However, literature review has noted of the lack of information about this in Australia.
measures, in a- I wouldn't use a comma there
literature review- plural or an article