@article {choi2008mechanistic, title = {A mechanistic latent variable model for estimating drug concentrations in the male genital tract: A case study in drug kinetics}, journal = {Statistics in Medicine, PMCID: PMC2763330}, volume = {27}, number = {14}, year = {2008}, pages = {2697{\textendash}2714}, publisher = {John Wiley \& Sons, Ltd Chichester, UK}, author = {Choi, L and Caffo, B and Rohde, C and Ndovi, T and Hendrix, C} }