Reference	Right Count	Left Count	Right %	Left %	Notes
Rosenberg2000	0	4	0.000	1.000	
Ahmed1976.1	146	141	0.509	0.491	
Ahmed1976.1	61	66	0.480	0.520	
Ahmed1976.1	208	230	0.475	0.525	
Ahmed1976.1	47	42	0.528	0.472	
Vernberg1966.1	10	16	0.385	0.615	
Yamaguchi1994	290	292	0.498	0.502