1. The pharmacokinetics of norethisterone during single and multiple dosing in women and changes caused by rifampicin;Back;Acta Endocr. (Kbh), Suppl.,1977
2. The pharmacokinetics of norethisterone in the rabbit and rat after systemic and oral administration: Effect of phenobarbitone;Back;Br. J. Pharmac.,1977
3. The pharmacokinetivs of norethisterone in women. I Radioimmunoassay and concentrations during multiple dosing;Back;Clin. Pharmac. Ther.,1978
4. The effect of antibiotics on the enterohepatic circulation of ethinyloestradiol and norethisterone in the rat;Back;J. Steroid Biochem.,1978
5. The influence of antiepileptic drugs on steroid plasma levels and binding during the menstrual cycle;Backstrom;Acta Endocr. (Kbh) Suppl.,1977