[Ca] mM	0.05	0.25	0.5	1	1.5	2.5	5		recovery (1.5)
					38.11	38.39	41.79		36.05
		1.44		26.37	33.58				31.12
	0.38		4.75		28.05				28.72
	2.59		9.95		31.83				29.39
		9.27			29.38	36.41			27.97
				41.26	33.77		46.88		30.52
					48.73	50.45	53.33		44.49
	0.46			35.59	38.98				38.08
		12.24	15.18		38.69				36.1
					27.43	30.32	30.34		25.58
		10.64	29.41		45.52				45.02
		9.84	15.03		33.61				32.71
		12.84		18.65	27.05				27.53
					29.81	31.21	32.34		27.51
	1.04	13.12	9.81	20.02	38.88				37.99
	0.61			24.53	28.32				30.25
	0.62		11.68		20.39				20.43
					31.41	36.49	38.57		28.47
					31.47	34.05	38.52		28.69
	0.08	7.41	11.46	26.1	29.52				28.88
	1.49			28.74	30.83	34.29	37.93		31.79
					25.33	32.43	31.07		23.41
	0.32	4.2	13.24	27.19	24.14				23.6
					26.63	27.79	31.5		24.61
	5.54	1.75	10.22	19.83	25.15				25.56
	3.28	3.27			20.09	22.77	26.54		20.54
			11.81	16.63	21.84	25.23	26.26		21.63
	8.12	6.84	20.6	30.72	33.42	34.19	39.28		33.84
	0.25	4.7	21.79	26.85	27.33	32.25	36.25		26.67
N=	13	13	13	13	29	14	14	0	29