共 104 条
[2]
An Epidemic of Acute Anterior Poliomyelitis in El Salvador, C. A.
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1944, 34 (09)
:941-947
[3]
ANDRADEMARIN C, 1945, REV CHIL PEDIATR, V16, P177
[4]
AYCOCK W. LLOYD, 1930, JOUR PREVENT MED, V4, P189
[5]
A comparison between mutliple cases of measles, scarlet fever and infantile paralysis
[J].
AMERICAN JOURNAL OF HYGIENE,
1925, 5 (06)
:733-741
[6]
Aycock WL, 1943, AM J MED SCI, V205, P454
[7]
The significance of the age distribution of poliomyelitis evidence of transmission through contact
[J].
AMERICAN JOURNAL OF HYGIENE,
1928, 8 (01)
:35-54
[9]
BELL EJ, 1948, AM J HYG, V47, P351
[10]
BERTENIUS BS, 1947, ACTA PATH MICROBIOL, V68