For epithelial cells, 0 was negative, 1 was weakly positive, 2 was strongly positive, and 3 was very strongly positive.

It is positive in the benzidine test and weakly positive in methyl red test.

Weakly positive and strongly positive forms form convex cones.

Strongly positive for arylsulfatase activity in 14-day tests and moderately to weakly positive for nicotinamidase and pyrazinamidase activities.

Biochemical tests indicate this microorganism also carries out a weakly positive reaction to the nitrate reductase test.

Thyroid autoantibodies were weakly positive.

Using an immunoblot, three of 104 sera were positive and three sera were weakly positive.

On the other hand, research is mixed, but weakly positive, for a potential protective effect of the nutrients lutein and zeaxanthin.

It indicates a weakly positive outcome in nearly all questions, representing transient success that is dependent upon outside help.

"Rent It" [yellow] has been used to indicate a weakly positive verdict, suggesting that the viewer wait until the movie is available on home video.