LITREF-a microcomputer based information retrieval system supporting stroke diagnosis, design, and development. - Guang-Nay Wang; Martha W. Evens; Daniel B. Hier (CBMS, 1989)

On the evaluation of LITREF: a PC-based information retrieval system to support stroke diagnosis. - Guang-Nay Wang; Martha W. Evens; Daniel B. Hier (CBMS, 1990)