Infant mortality;
Ashby, Hugh Tuke, 1880-
Infant mortality; by Hugh T. Ashby ... - 2d ed. - Cambridge, University press, 1922. - xii, 224 p. ill. - Cambridge public health series .
Contains bibliographies.
sg 22000184
Infants--Mortality.
Child welfare--Great Britain.
Public health.
PA610 / .A8
HB 1323.I4 / A823i 1922
Infant mortality; by Hugh T. Ashby ... - 2d ed. - Cambridge, University press, 1922. - xii, 224 p. ill. - Cambridge public health series .
Contains bibliographies.
sg 22000184
Infants--Mortality.
Child welfare--Great Britain.
Public health.
PA610 / .A8
HB 1323.I4 / A823i 1922