Bellinger, L. L., Hill, E. G., Wiggs, R. B. 1992. Inexpensive modifications to nonhuman primate cages that allow social grouping. Contemporary Topics in Laboratory Animal Science 31(3), 10-12.

These two design modifications [PVC tunnels and stainless steel tunnels connecting two adjacent cages] allow us to inexpensively modify existing caging to meet the USDA regulations of social grouping.

Year
1992