SINGER JAMES 555,461 Assessment of medical care for children / David M. Kessner, project director, Carolyn Kalk Snow, research coordinator, James Singer, staff associate -, Health Services Research Study. - Washington, D.C. : Institute of Medecine, 1974. - XIX, 231 s. . il., wykr. ; 23 cm. - (Contrasts in Health Status ; vol. 3) ISBN 0-309-02145-6