TY - BOOK AU - Ricketts,Thomas C. TI - Geographic methods for health services research: a focus on the rural-urban continuum SN - 0819195332 (pbk. : alk. paper) PY - 1994/// CY - Lanham, MD PB - University Press of America KW - Health Services Research KW - methods KW - Rural Health KW - United States KW - Health policy N1 - Includes bibliographical references (p. [327]-358) and index ER -