Lessons from the past.
Arnold
L S
LS
Brecht
M C
MC
Hockett
A B
AB
Amspacher
K A
KA
Grad
R K
RK
D006291:Health Policy / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007226:Infant Mortality / Q000639:trends*; D014481:United States