Abstract
The indirect immunofluorescent imprint technic and the lupus erythematosus cell test were used to test 700 sera for antinuclear factors. Touch imprints of endometrium were employed as nuclear substrates for the indirect fluorescent antibody procedure. The results obtained were reproducible and reliable. Controls were consistent. Because of an abundant source of material, many slides can be prepared rapidly and stored for varying periods of time. The test procedure, easy to perform and interpret, is economical and less time consuming than the routine lupus erythematosus preparation.
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