Heilbrunn, Joanna Z <br/><br/>
Estimating posthospital use for principal and secondary diagnoses / 
Joanna Zorn Heilbrunn, Neal Thomas, ; prepared for the University of Minnesota 
 - California :  Rand Corporation,  1990 
 - xi, 51 p. ;  28 cm 
 - A Rand note ;  N-3002-MN .
 - Rand note ;  N-3002-MN .
<br/><br/><label>ISBN: </label> Hadiah