共 34 条
[1]
Beekman A T, 1994, Tijdschr Gerontol Geriatr, V25, P95
[3]
BLAND M, 1990, INTRO MED STAT
[5]
BOUTER LM, 1995, EPIDEMIOLOGISCH ONDE, P291
[6]
*CENTR BUR STAT, 1989, HLTH INTQUEST
[8]
DEEG DJH, 1993, NIG TREND STUDIES, V7