Hanagal, David D. <br/><br/>
Modeling survival data using frailty models / 
David D. Hanagal 
 - Boca Raton, FL :  Chapman & Hall/CRC Press,  c2011 
 - xix, 314 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781439836675 1439836671 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Survival analysis (Biometry)--Mathematical models<br/>Failure time data analysis--Mathematical models