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Journal
Lancet
Volume
2
Issue
8083
Pages
234-5
Publication year
1978
Suggested citation
Petitti DB, Wingerd J. Use of oral contraceptives, cigarette smoking, and risk of subarachnoid haemorrhage. Lancet. 1978; 2(8083): 234-5.
DOI
10.1016/s0140-6736(78)91745-2
PMID
79030