共 21 条
[2]
BEASLEY W C, 1961, Arch Phys Med Rehabil, V42, P398
[5]
COLTON T, 1974, STATISTICS MED
[7]
MILLER JP, 1977, 1977 P STAT COMP SEC, P327
[8]
MUNSAT T L, 1984, Neurology, V34, P239
[10]

