Ritchie, Lewis D. Computers in primary care : practicalities and prospects / Lewis D. Ritchie - London : W. Heinemann Medical Books, 1984 - 153 p. : ill. ; 22 cm. ISBN: 043327705X Subjects--Topical Terms: Primary Health CareComputers National Library of Medicine Call No.: W84.6 / .R599c 1984 9HUKM