	model
	{
		for( i in 1 : doses ) {
			for( j in 1 : plates ) {
				y[i , j] ~ dpois(mu[i , j])
				log(mu[i , j]) <- alpha + beta * log(x[i] + 10) + 
					gamma * x[i] + lambda[i , j]
				lambda[i , j] ~ dnorm(0.0, tau)	
			}
		}
		alpha ~ dnorm(0.0,1.0E-6)
		beta ~ dnorm(0.0,1.0E-6)
		gamma ~ dnorm(0.0,1.0E-6)
		tau ~ dgamma(0.001, 0.001)
		sigma <- 1 / sqrt(tau)
	}