K V Porkka

Effects of persistent physical activity and inactivity on coronary risk factors in children and young adults. The Cardiovascular Risk in Young Finns Study.

J. Viikari, O. Raitakari, K. Porkka, 1994, American journal of epidemiology.

Why don't all heavy snorers have obstructive sleep apnea?

M. Tafti, M. Billiard, K. Porkka, 1991, The American review of respiratory disease.