共 8 条
[1]
BERNKOPF H, 1955, Bull World Health Organ, V12, P677
[3]
Serologic Epidemiology of Poliomyelitis
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1955, 45 (04)
:429-437
[4]
A SURVEY OF NEUTRALIZING ANTIBODIES TO POLIOMYELITIS VIRUS IN CAIRO, EGYPT
[J].
AMERICAN JOURNAL OF HYGIENE,
1952, 55 (03)
:402-413
[5]
REED L. J., 1938, AMER JOUR HYG, V27, P493
[6]
WALTON MARY, 1955, YALE JOUR BIOL AND MED, V27, P350
[7]
YEKUTIEL P, 1955, Bull World Health Organ, V12, P651