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Pressure-flow hypothesis for phloem transport
Normal glomerulus. Acute glomerulonephritis.
EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic
Steps in the humoral and cell-mediated immune responses.
The obese (ob) mouse mutant, shown on the left (a normal mouse is on the right), has provided many c
Steps in homologous recombination repair of double-stranded breaks