When pollen's on the wing... : Rynacrom : disodium cromoglycate for hay fever.
- Date:
- [approximately 1971]
Licence: In copyright
Credit: When pollen's on the wing... : Rynacrom : disodium cromoglycate for hay fever. Source: Wellcome Collection.
Licence: In copyright
Credit: When pollen's on the wing... : Rynacrom : disodium cromoglycate for hay fever. Source: Wellcome Collection.