Key points are not available for this paper at this time.
W. R. Gilks, N. G. Best, K. K. C. Tan, Adaptive Rejection Metropolis Sampling within Gibbs Sampling, Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 44, No. 4 (1995), pp. 455-472
Gilks et al. (Sun,) studied this question.