TABLE 1.

Quantitative calibrated loops analyzed in the present study

Manufacturer	Type	Vol (ml)	Product no.
Pro-Lab Diagnostics, Merseyside, United Kingdom	Nichrome, reusable	0.010	PL 100
		0.001	PL 105
Medical Wire, Corsham, United Kingdom	Nichrome, reusable	0.010	MW 190
		0.001	MW 195
Emergo, Landsmeer, The Netherlands	Plastic, disposable	0.010	10890
		0.001	10865
Sarstedt, Etten-Leur, The Netherlands	Plastic, disposable	0.010	86 1562 010
		0.001	86 1567 010
Greiner, Alphen a.d. Rijn, The Netherlands	Plastic, disposable	0.010	731175
		0.001	731165
L.P. Italiana, Milan, Italy	Plastic, disposable	0.010	LPIT 131058
		0.001	LPIT 130158
Simport, Beloeil, Quebec, Canada	Plastic, disposable	0.010	L200-2
		0.001	L200-1