weakly positive造句怎么写

Result Expression of CD44 in renal biopsy of controls was negative in the glomeruli and weakly positive in renal interstitium .

Toluidine blue dyeing was weakly positive, and only a little cells expressed collagenⅡ.

Additional testing in a WHO collaborating laboratory may produce inconclusive or only weakly positive results.

In normal group and sham-operated group, Microglia in medullas including internal capsule and corpus callosum appeared weakly NGF as well as GDNF weakly positive.