共 12 条
[3]
DEPORTE JV, 1939, DEMOGRAPHY OTSEGO CO, P5
[5]
MCIVER MA, 1939, RURAL MEDICINE, P42
[7]
RAY BS, 1938, NEW YORK STATE J MED, V38, P412
[8]
Reid MR, 1936, J AMER MED ASSOC, V106, P665
[9]
SCHATTEN WE, 1956, SURG GYNECOL OBSTET, V102, P339