TY  - JOUR
PY  - 1995//
TI  - Using epidemiologic methods to evaluate out-of-hospital care: the ecologic study
JO  - Annals of emergency medicine
A1  - Maio, Ronald F.
A1  - Spaite, D.
SP  - 153
EP  - 157
VL  - 26
IS  - 2
N2  - <p>[Abstract unavailable]</p> <p>Language: en</p> 
LA  - en
SN  - 0196-0644
UR  - http://dx.doi.org/
ID  - ref1
ER  -