540,934 OHLSSOM OLA Haemodynamic studies of relatives to hypertensive patients. A study on relatives to families with a high frequency of essential hypertension. Malmo 1981 8 s. 29, prac 6 + wkł. s. nlb. 2, il. Akad. avhandling. Univ. of Lund Dep. of Internal Medicine and Clinical Physiology