@article {Murphy2014,
	title = {The tear ferning test: A simple clinical technique to evaluate the ocular tear film},
	journal = {Clinical and Experimental Optometry},
	volume = {97},
	year = {2014},
	pages = {399-406},
	author = {Masmali, A.M. and Purslow, C. and Murphy, P.J.}
}
