Drug 1	Stock concentration		mg/ml
	Dose		mg/kg
Drug 2	Stock concentration		mg/ml
	Dose		mg/kg
	Injection volume per animal		ml/g
	Final volume of working solution		ml
		Calculate

	Add		ml of the stock solution of drug 1,
	and		ml of the stock solution of drug 2
	to		ml diluent.
	This gives a total volume of		ml
	with		mg/ml of drug 1
	and		mg/ml of drug 2
	Example: an animal of		g
	recieves		ml
	which equals		mg of drug 1
	and		mg of drug 2