Stephen J. Williams has written:
'Essentials of health services' -- subject(s): Delivery of Health Care, Health Policy, Health planning, Health services administration, Medical care, Medical policy, Public health
'Introduction to health services' -- subject(s): Medical care, Health services administration
'Health care services in the 1990s' -- subject(s): Consumer education, Health Insurance, Medical care
'Introduction to health services' -- subject(s): Medical care, Health services administration, Health Services