P Kärkkäinen

Magnetic resonance imaging of clinically localized prostatic cancer.

K. Taari, T. Vehmas, L. Kivisaari, 1998, The Journal of urology.

Nature of questionnaire options affects estimates of alcohol intake.

K Poikolainen, P. Kärkkäinen, K. Poikolainen, 1985, Journal of studies on alcohol.