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. 1966 Mar 12;1(5488):652-4.
doi: 10.1136/bmj.1.5488.652.

Urinary excretion of porphyrin precursors and coproporphyrin in healthy females on oral contraceptives

P Koskelo, A Eisalo, I Toivonen

Urinary excretion of porphyrin precursors and coproporphyrin in healthy females on oral contraceptives

P Koskelo et al. Br Med J. .
No abstract available

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