共 19 条
[1]
BARTELS E C, 1949, Geriatrics, V4, P333
[3]
Cookson H, 1939, LANCET, V1, P1363
[6]
Hay J, 1936, LANCET, V2, P1377
[7]
IVERSON K, 1953, J GERONTOL, V8, P65
[8]
KIRKEGAARD C, 1971, UGESKRIFT LAEGER, V133, P594
[9]
LAHEY FH, 1931, NEW ENGL J MED, V93, P1026
[10]
LAMBERG BA, 1960, FINSKA LAKARESALLSKA, V103, P16