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Meyer, Leo M.; Miller, Franklin R.; Rowen, Manuel J.; Bock, George; Rutzky, Julius (1950). «Treatment of Acute Leukemia with Amethopterin (4-amino, 10-methyl pteroyl glutamic acid)». Acta Haematologica. 4 (3): 157–67. doi:10.1159/000203749. PMID14777272.
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