Athreya, Balu H. <br/><br/>
Differential diagnosis in pediatrics :  A card-sort system of symptom analysis / 
By Balu H. Athreya, Ramaa B. Athreya. 
 - Philadelphia :  W. B. Saunders Co.,  1970. 
 - xv, 209 p.  270 card. 
<br/><br/>Bibliogr. : p. xiv - xv 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children--Diseases--Diagnosis<br/>Diagnosis, Differential