Quality of records in clinical forms of childbirth in the Maternity Hospital of Lubango, Angola Tomas Hambili Sanjuluca, Anabela Almeida, Ricardo Correia, Tiago Costas

Health care costs of breast, prostate, colorectal and lung cancer care by clinical stage and cost component Oliver Ibarrondo, Garbiñe Lizeaga, José Miguel Martínez-Llorente, Igor Larrañaga, Myriam Soto-Gordoa, Isabel Álvarez-López

The combined used of quantitative and qualitative longitudinal methods in the study of obesity Cecilia Díaz-Méndez, Jean Adams