1. High blood pressure and oral contraceptives;Newton;Am. J. Obst. and Gynec.,1968
2. Oral contraceptives and hypertension: a clinical observation;Macintosh;Med. J. Aust.,1968
3. Hypertension induced by oral contraceptives containing oestrogen and gestagen;Weinberger;Ann. intern. Med.,1969
4. Oral contraceptives, hypertension and toxaemia;Carmichapl;Obst. and Cvnec.,1970