Modelling estimation and control in the relief of post-operative pain. - Oliver L. R. Jacobs; R. E. S. Bullingham; P. Lammer; Henry J. McQuay; G. O'Sullivan; M. P. Reasbeck (Autom., 1985)

Modeling and estimation for patient controlled analgesia of chronic pain. - Oliver L. R. Jacobs; Yan P. Liu; Henry J. McQuay (IEEE Trans. Biomed. Eng., 1995)