Giesecke, W.H.; Spickett, Arthur M.; Durand, Anette M.; Van Staden, J.J.; Erasmus, J.A.; Bigalke, R.D.
(Published by The Government Printer, Pretoria, 1984)
An investigation undertaken with the aid of scanning electron microscopy (SEM) on new and used teat cup
liners revealed the generally poor quality of luminal surfaces. Even those of the brand-new distributor controls
...