TY  - BOOK
AU  - van Zonneveld R J
TI  - Health of the aged
U1  - 305.2609492 
PY  - 1961///
CY  - Assen
PB  - Van Gorcum
KW  - Medical care
KW  - Netherlands
KW  - Old age-research
KW  - Older people
ER  -