Kerstin Rödström, Calle Bengtsson, Lauren Lissner, Cecilia Björkelund
Rödström K, Bengtsson C, Lissner L, Björkelund C.
Pre-existing risk factor profiles in users and non-users of hormone replacement therapy: prospective cohort study in Gothenburg, Sweden
BMJ 1999; 319 :890
doi:10.1136/bmj.319.7214.890