| 摘要 |
<p>A testing apparatus for detecting urease in a gastric material taken from a human or lower animal subject, said apparatus comprising a dry indicating composition responsive to said urease, a backing sheet supporting said dry indicating composition, a cover sheet sealingly adhered about its periphery to said backing sheet to enclose said dry indicating composition. At least one of said backing sheet or said cover sheet has a transparent portion in alignment with said dry indicating composition, and wherein said cover sheet may be peeled from said backing sheet and resealed therewith.</p> |
