Jos H H Thijssen

Measurement of cortisol in small quantities of saliva.

Jan K Buitelaar, J. Buitelaar, J. Thijssen, 2003, Clinical chemistry.

Endogenous sex hormones in men aged 40-80 years.

Diederick E Grobbee, D. Grobbee, Y. T. van der Schouw, 2003, European journal of endocrinology.