Marshall, Shane A. <br/><br/>
On call :  principles and protocols / 
by Shane A. Marshall and John Ruedy 
 - 2nd ed. 
 - Philadelphia :  W. B. Saunders,  1993 
 - 393 p. :  ill. ;  20 cm. 
<br/><br/><label>ISBN: </label>0721639828 
<br/><br/><label>LCCN: </label>92-049077 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Emergencies--handbooks<br/>Emergency Medicine--handbooks