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“Studies on theobromine disposition in normal subjects. Alterations induced by dietary abstention from or exposure to methylxanthines”. Clinical Pharmacology and Therapeutics23 (3): 296–302. (March 1978). doi:10.1002/cpt1978233296. PMID627135.
“Studies on theobromine disposition in normal subjects. Alterations induced by dietary abstention from or exposure to methylxanthines”. Clinical Pharmacology and Therapeutics23 (3): 296–302. (March 1978). doi:10.1002/cpt1978233296. PMID627135.