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Lakartidningen
; 96(48): 5344, 1999 Dec 01.
Article
in Swedish
| MEDLINE
| ID: mdl-10612980
2.
3.
Phys Rev A Gen Phys
; 35(10): 4074-4084, 1987 May 15.
Article
in English
| MEDLINE
| ID: mdl-9897994