
%0 Journal Article
%A McLaws, Mary-Louise 
%A Gold, Julian 
%T An Introductionto Epidemiology and Infection Control Practice, Part II: Evidence of Causality
%J Healthcare Infection
%D 1995/06/01
%V 1
%N 2
%P 23-26
%K 
%R https://doi.org/10.1071/HI95223
%U https://www.publish.csiro.au/paper/HI95223 
%X In Part I of this five part series, we introduced the fundamentally important concept of validity of data. In Part II, study design and the principles of causality will be explored. 
