Pregnancy outcomes and blood pressure visit-to-visit variability and level in three less-developed countries by Magee, LA, Bone, J, Owasil, SB, Singer, J, Lee, T, Bellad, MB, Goudar, SS, Logan, AG, Macuacua, SE, Mallapur, AA, Nathan, HL, Qureshi, RN, Sevene, E, Shennan, AH, Valá, A, Vidler, M, Bhutta, ZA, von Dadelszen, P, Knight, M