1.   Sections have been cut through well-preserved coral in limestone.

2.   Sections were cut from the frozen biopsies on a cryostat microtome.

3.   Cryostat sections were cut and EGF distribution was studied immunohistochemically.

4.   Four micrometer sections were cut and stained with a mixture of methylene blue azure II and basic fuchsin.

5.   Paraffin sections were cut at three levels and stained with haematoxylin and eosin.

6.   Cryostat sections were cut within one hour.

7.   Paraffin wax sections were cut and stained by both haematoxylin and eosin and giemsa and assessed for evidence of gastritis and Helicobacter pylori organisms.

8.   Sections were cut on a microtome and stained with haematoxylin and eosin to show the nucleii and cytoplasm of cells within the xenografts.

9.   Paraffin sections were cut and stained with both haematoxylin and eosin and giemsa for evidence of gastritis and Helicobacter pylori organisms.