Artículo estándar. - Nisengard R, Bascones A. Invasión bacteriana en la enfermedad periodontal. Av odontoestomatol 1987; 3:119-33.

Cuando el autor es una sociedad o corporación. - WHO COLLABORATING CENTRE FOR ORAL PRECANCEROUS LESIONS. Definition of leukoplakia and related lesions and aid to studies on oral precancer. Oral Surg 1978; 46: 518-39.

No se menciona autor. - Cancer in South Africa [editorial]. S Afr Med J 1994;84:15.

Suplemento de un volumen. - Shen HM, Zhang KF. Risk assesment of nickel carcinogenicity and occupational lung cancer. Environ Health Perspect 1994;102 Supl 1:275-82.

Suplemento de un número. - Payne DK, Sullivan MD, Massie MJ. Women´s psichological reactions to breast cancer. Semin Oncol 1996;23 (1 Supl 2):89-97.

Parte de un volumen. - Ozben T, Nacitarhan S, Tuncer N. Plasma and urine sialic acid in non-insulin dependent diabetes mellitus. Ann Clin Biochem 1995;32(Pt 3):303-6.

Parte de un número. - Poole GH, Mills SM. One hundred consecutive cases of flap lacerations of the leg in ageing patients. N Z Med J 1994;107(986 Pt 1):377-8.

Número sin volumen. - Turan I, Wredmark T, Fellander-Tsai L. Arthroscopic ankle arthrodesis in reumathoid arthritis. Clin Orthop 1995; (320):110-4.

Sin número ni volumen. - Browell DA, Lennard TW. Inmunologic status of the cancer patient and the effects of blood transfusion on antitumor responses. Curr Opin Gen Surg 1993:325-33.

Autor personal. - Carranza F A Jr. Glickman's Clinical Periodontology. Saunders: Philadelphia; 1984.

Capítulo de un libro. - Takey H, Carranza F A Jr. Treatment of furcation involvement and combined periodontal endodontic therapy. En Carranza F A Jr. Glickman's Clinical Periodontolgy. Saunders: Philadelphia; 1984.

Editor(es) o, compilador(es) como autor. - Norman IJ, Redfern SJ, editores. Mental health care for elderly people. Nueva York: Churchill Livingstone; 1996.

Organización como autor y entidad que pública. - Institute of Medicine (US). Looking at the future of the Medicaid programme. Washington (DC): The Institute; 1992.

Actas de conferencias. - Kimura J, Shibasaki H, editors. Recent advances in clinical neurophisiology. Proceedings of the 10th International Congress of EMG and Clinical Neurophisiology; 1995 Oct 15-19; Kyoto, Japón. Amsterdam: Elsevier; 1996.

Artículo de conferencia. - Bengtsson S, Solheim BG. Enforcement of data protection, privacy and security in medical informatics. En: Lun KC, Degoulet P, Piemme TE, Rienholf O, editors. MEDINFO 92. Proceedings of the 7th World Congress on Medical Informatics; 1992 Sep 6-10; Ginebra, Suiza. Amsterdam: North-Holland; 1992. p. 1561-5.

Informe científico y técnico. - Smith P, Golladay K. Payment for durable medical equipment billed during skilled nursing facility stays. Fynal report. Dallas (TX): Dept. of Health and Human Services (US), Office of Evaluation and Inspections; 1994 Oct. Report No.: HHSIGOE169200860.

Tesis doctoral. - Kaplan SJ. Post-hospital home health-care: the elderly´s acces and utilization [tesis doctoral]. San Luis (MO): Washington Univ.; 1995.

Patente. - Larsen CE, Trip R, Johnson CR, inventors; Novoste Corporation, assignee. Méthods for procedures related to the electrophisiology of the heart. US patent 5,529,067. 1995 Jun 25.

Artículo de periódico. - Lee G. Hospitalitations tied to ozone pollution: study estimates 50.000 admissions annually. The Washington Post 1996 Jun 21; Sec. A:3 (col. 5).

Material audiovisual. - VIH +/SIDA: the facts and the future [videocassette]. San Luis (MO): Mosby-Anuario; 1995.

Fichero de ordenador. - Hemodynámics III: the ups and downs of hemodynámics [programa de ordenador]. Versión 2.2. Orlando (FL): Computerized Educational Systems; 1993.

Documento de Internet. - Donaldsom L, May, R. Health implications of genetically modified foods [citado 12 de oct. 2000]. www.doh.gov.uk/gmfood.htm.