Cite
HARVARD Citation
Poller, L. et al. (1971). Oestrogen/Progestogen Oral Contraception and Blood Clotting: A Long-term Follow-up. BMJ. 4 (5788), pp. 648-650. [Online].
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Poller, L. et al. (1971). Oestrogen/Progestogen Oral Contraception and Blood Clotting: A Long-term Follow-up. BMJ. 4 (5788), pp. 648-650. [Online].