TY  - RPRT
TI  - A possible two-photon effect in vitro using a focused laser beam.
AU  - M W Berns
PY  - 1976
DO  - 10.1016/s0006-3495(76)85747-5
UR  - https://pubmed.ncbi.nlm.nih.gov/938735/
ID  - 938735
ER  -