Allen, Hugh D <br/><br/>
Then and Now: A Sampling.  [electronic resource] 

 -  Pediatrics in review  Oct 2019 
 - 4-5 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>1526-3347 
<br/><br/><label>Standard No.: </label>10.1542/pir.2019-40S04  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History, 20th Century<br/>Humans<br/>Pediatrics--history<br/>Periodicals as Topic--history