In copyright
It is possible this item is protected by copyright and/or related rights. You may be able to use this digital item under a copyright exception, otherwise you need to obtain permission from the rights-holder(s). These may be identified elsewhere in the catalogue record. Read more about copyright.
Read further guidance on copyright exceptions in the UK.
Credit
On the presence of beta-imidazolethylamine in the intestinal wall : with a method of isolating a bacillus from the alimentary canal which converts histidine into this substance / by Edward Mellanby and F.W. Twort. In copyright. Source: Wellcome Collection.