PubMed · 251752
[A difficult problem].
Abstract
The source did not provide an abstract. Follow the original record for more information.
Explore related subjects
Keep this discovery
Explore connections, maps & timelines
L Valvanne. 1978. [A difficult problem].. https://pubmed.ncbi.nlm.nih.gov/251752/
Cite the original work for its findings. Save a collection to share your selection of sources.