Ryan, Jay L. <br/><br/>
The effects of sibling sex and parental sex role orientation on sibling role tension, anxiety and depression in middle class families with developmentally disabled children  [microform]/ 
by Jay L. Ryan 
 - Ann Arbor, Mich. :  University Microfilms International,  1980 
 - 3 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Dcotor of Education)-Boston University, 1980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmentally disabled children