共 6 条
[1]
FISCHER RA, 1950, STATISTICAL METHODS
[2]
FREUDENBERG, 1950, ARCH GYNAK, V177, P736
[3]
HOLLENWEGERMAYR, 1950, Z GEBURTSH, V132, P297
[4]
HOSEMANN, 1950, ARCH GYNAK, V177, P751
[5]
OBER, 1952, KLIN WSCHR, P357
[6]
STEWART, 1952, J AM MED ASS, V148, P1079