共 7 条
[1]
FRY J, 1969, BRIT J PREV SOC MED, V23, P205
[2]
FRY J, 1961, CATARRHAL CHILD
[3]
FRY J, 1966, PROFILES DISEASE
[4]
LOWE JF, 1963, LANCET, V2, P1129
[5]
MILLER FJW, 1960, GROWING UP NEWCASTLE
[7]
1957, LANCET, V2, P510