Effect of an intervention to promote contraceptive uptake on incident pregnancy: a randomized controlled trial among HIV positive couples in Zambia by Wall K, Vwalika B, Haddad L, Khu N, Vwalika C, Kilembe W, Chomba E, Stephenson R, Kleinbaum D, Nizam A, Brill I, Tichacek A, Allen S

Promotion of couples’ voluntary HIV counseling and testing in Lusaka, Zambia by influence network leaders and agents by Wall K, Kilembe W, Nizam A, Vwalika C, Kautzman M, Chomba E, Tichacek A, Sardar G, Casanova D, Henderson F, Mulenga J, Kleinbaum D, Allen S

The interest of the Spanish network of investigators in back pain for rehabilitation physician by Arrebola, A, Kovacs, F, Gestoso, M, Vecchierini, N, Del Real Calvo, M, Pino, M, Castell, M, Ortega, J, Berstein, S, Burls, A, Villar, A, Kleinbaum, D, Sánchez, J, Herranz, A, Rodríguez, S, Gil, P, Santos, V, García, A, Zamora, J, Sánchez, D, Hernández, J, Pérez, J, Castillo, J, Torres, A, Mancebo, A