Guinea-pigs

Guinea-pigs are used; one is injected with human serum, another with dog serum, another with ox serum, and another with pig serum.

Charles Richet - Nobel Lecture 1967

Guinea-pigs and mice are very susceptible to infection by B. botulinus by this method; rabbits less so.

The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.

Guinea-pigs 'serum is that most frequently employed for experimental work.

The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.

Guinea-pigs fed on them in proper doses attain such a degree of immunity that, in a short time, they can tolerate four hundred times the fatal dose.

The Treasure-Train 1908

But their rage was as nothing to that of the Guinea-pigs and Tadpoles.

The Fifth Form at Saint Dominic's A School Story Talbot Baines Reed 1872

That hulking, ugly youth is Braddy, the bully, the terror of the Guinea-pigs, and the laughing-stock of his own class-mates.

The Fifth Form at Saint Dominic's A School Story Talbot Baines Reed 1872

Another declared that Oliver had been captured by the fags, and branded on the soles of his feet with a G and a T, to commemorate the emancipation of the Guinea-pigs and

The Fifth Form at Saint Dominic's A School Story Talbot Baines Reed 1872

By the time he and Wraysford went in the evening to read over what had been sent in, the poem on the Guinea-pigs was complete.

The Fifth Form at Saint Dominic's A School Story Talbot Baines Reed 1872

Bramble came off as usual, and all that evening Guinea-pigs and Tadpoles did nothing but make paper darts.

The Fifth Form at Saint Dominic's A School Story Talbot Baines Reed 1872

The Guinea-pigs should never charge _him_ with treachery and desertion, and what he had gone through already in the "good cause" he would go through again.

The Fifth Form at Saint Dominic's A School Story Talbot Baines Reed 1872