Intended for healthcare professionals

Letter

Interaction of ethinyloestradiol with ascorbic acid.

Br Med J (Clin Res Ed) 1981; 282 doi: https://doi.org/10.1136/bmj.282.6281.2057 (Published 20 June 1981) Cite this as: Br Med J (Clin Res Ed) 1981;282:2057