共 13 条
- [1] ALFFRAM PER-AXEL, 1964, ACTA ORTHOPAED SCAND SUPPL, V65, P1
- [3] BUHR AJ, 1959, LANCET, V1, P531
- [4] GALLANAUGH SC, 1976, BRIT MED J, V4, P1496
- [6] GRIMLEYEVANS J, 1979, AGE AGEING, V8, P16
- [7] HUTCHINSON TA, 1979, LANCET, V2, P705
- [8] KEITH S, 1970, HLTH TRENDS, V5, P13
- [9] KNOWELDEN J, 1964, BRIT J PREV SOC MED, V18, P130
- [10] NEWTONJOHN HF, 1968, LANCET, V1, P232