Błaszczyk, A <br/><br/>
[Environmental factors causing psychogenic abdominal pain in schoolchildren].  [electronic resource] 

 -  Pediatria polska  Nov 1983 
 - 887-94 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0031-3939 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abdomen<br/>Adolescent<br/>Child<br/>Female<br/>Humans<br/>Life Change Events<br/>Male<br/>Pain--etiology<br/>Psychophysiologic Disorders--etiology<br/>Stress, Psychological--complications