Infant mortality; international inquiry of the Health organisation of the League of nations, English section.
Campbell, Janet Mary, Dame.
Infant mortality; international inquiry of the Health organisation of the League of nations, English section. - London, H. M. Stationery off., 1929. - 118 p. incl. tables. diagrs. 24 cm. - Reports on public health and medical subjects ; no. 55. .
l 30000028
Infants--Mortality.
HB1323.I4 / C2
Infant mortality; international inquiry of the Health organisation of the League of nations, English section. - London, H. M. Stationery off., 1929. - 118 p. incl. tables. diagrs. 24 cm. - Reports on public health and medical subjects ; no. 55. .
l 30000028
Infants--Mortality.
HB1323.I4 / C2