Kerver, Marinus Johannes <br/><br/>
Psychological risk factors in the aetiology of depression / 
Marinus Johannes Kerver 
 - Grapress-Zoetermeer:  Het Veldwijk Research Instituut,  1990. 
 - 114p.;  ill.:  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology<br/>Depression<br/>Aetiology<br/>Risk
<br/><br/><label>Dewey Class. No.: </label>150  / KER-2