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References
1.
Nelson
EC
,
Jacobs
AR
,
Cordner
K
,
Johnson
KG
: Financial impact of physician assistants on medical practice . N Engl J Med 293 :527 , 1975 .
2.
Ayres
SM
,
Giannelli
S
,
Mueller
H
: Care of the Critically Ill , 2nd ed . New York , Appleton - Century - Crofts , 1974 .
3.
O'Connor
M
,
Woodford
FP
: Writing Scientific Papers in English . American Elsevier , New York , 1975 .
