Paper  doi  bibtex   

@article{fidler_nonlinear_2019,
	title = {Nonlinear mixed-effects model development and simulation using nlmixr and related {R} open source packages},
	issn = {21638306},
	url = {http://doi.wiley.com/10.1002/psp4.12445},
	doi = {10.1002/psp4.12445},
	language = {en},
	urldate = {2019-06-25},
	journal = {CPT: Pharmacometrics \& Systems Pharmacology},
	author = {Fidler, Matthew and Wilkins, Justin J. and Hooijmaijers, Richard and Post, Teun M. and Schoemaker, Rik and Trame, Mirjam N. and Xiong, Yuan and Wang, Wenping},
	month = jun,
	year = {2019},
	note = {https://nlmixrdevelopment.github.io/nlmixr\_bookdown/index.html},
	keywords = {pharmacometrics, uses sympy},
}