PubMed · 3477590
They're still out there...
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
H R Hedge. 1987. They're still out there.... https://doi.org/10.1016/s0002-8177(87)54002-8
Cite the original work for its findings. Save a collection to share your selection of sources.