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		| Paper: | 
		The Properties of Dense Molecular Gas in the Milky Way and Galaxies | 
	 
	
		| Volume: | 
		387, Massive Star Formation: Observations Confront Theory | 
	 
	
		| Page: | 
		401 | 
	 
	
		| Authors: | 
		Shirley, Y.L.; Wu, J.; Shane Bussmann, R.; Wootten, A. | 
	 
	
	
		| Abstract: | 
		We review the evidence for a constant star formation rate per unit mass in dense molecular gas in the Milky Way and the extragalactic correlations of LIR with L  from observations of dense molecular gas. We discuss the connection between the constant SFR/M interpretation in dense gas and the global Schmidt-Kennicutt star formation law. | 
	 
	
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