Laport, N., Sermeus, W., Vanden Boer, G., van Herck, P., Adjusting for nursing care case mix in hospital reimbursement: a review of international...
Sermeus, W., Delesie, L., van den Heede, K., Diya, L., Lesaffre, E., Measuring the intensity of nursing care: making use of the Belgian Nursing...
Tilquin, C., Ferrús, L., Portells, E., Estrategias de medida de los cuidados de enfermería. Gaceta Sanitaria. 6 (1992), 71–77, 10.1016/S0213-9111(92)71096-6.