00888cam a22002771 4500 ss 48000025 DLC 20260227112751.0 780831s1948 xx 000 0 eng c ss 48000025 (OCoLC)4184704 U.S. Social Security Administration OAk WU-M DLC premarc RA407.3 .W64 Wolff, George, 1886- Childhood mortality from rheumatic fever and heart diseases. [Washington, U.S. Govt. Print. Off., 1948] iii, 63 p. 26 cm. United States. Children's Bureau. Publication no. 322 "Source materials and references:" p. 62-63. Rheumatic fever. Children Mortality. Heart Diseases. United States Children. Mortality Statistics. 90912 90912