Some new physiologically active derivatives of choline / by A.J. Ewins.

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

Some new physiologically active derivatives of choline / by A.J. Ewins. In copyright. Source: Wellcome Collection.