TY - JOUR A1 - Speizer, I.S. A1 - Hotchkiss, D.R. A1 - Magnani, R.J. A1 - Hubbard, B. A1 - Nelson, K. T1 - Do service providers in Tanzania unnecessarily restrict clients' access to contraceptive methods? Y1 - 2000 DO - 10.2307/2648285 JF - International Family Planning Perspectives VL - 26 IS - 1 SP - 13 EP - -20 ER -