Does one plus one always equal two?
Askar, Medhat, MD ; Chueh, Shih-Chieh Jeff, Prof ; Huang, T Edgar ; Sankari, Bashir R, MD
The Lancet (British edition), 2012-03, Vol.379 (9822), p.1272-1272
[Periódico revisado por pares]
Kidlington: Elsevier Ltd
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