TY - JOUR A1 - Fisher, K. T1 - Uncertain aims and tacit negotiation: birth control practices in Britain, 1925-50 Y1 - 2000 DO - 10.1111/j.1728-4457.2000.00295.x JF - Population and Development Review VL - 26 IS - 2 SP - 295 EP - -317 ER -