An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Novacky A, Ullrich-Eberius CI, Lüttge U.Novacky A, et al. Among authors: ullrich eberius ci.Planta. 1978 Jan;138(3):263-70. doi: 10.1007/BF00386821.Planta. 1978.PMID: 24414056
Novacky A, Ullrich-Eberius CI, Lüttge U.Novacky A, et al. Among authors: ullrich eberius ci.Planta. 1980 Jan;149(4):321-6. doi: 10.1007/BF00571164.Planta. 1980.PMID: 24306366