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Swaroop A. Construction of directional cDNA libraries from human retinal tissue/cells and their enrichment for specific genes using an efficient subtraction procedure. Methods Neurosci. 15: 285-300, 1993.

Swaroop A, Xu J. cDNA libraries from human tissues and cell lines. Cytogenet. Cell Genet. 64: 292-294, 1993. PubMed: 8404057

Swaroop A, Weissman SM. Charon BS(+) and (-), versatile lambda phage vectors for constructing directional cDNA libraries and their efficient transfer to plasmids. Nucleic Acids Res. 16: 8739, 1988. PubMed: 2971160