Excerpta Medica (Firm). (1980). Excerpta medica. Excerpta Medica.
Citación estilo ChicagoExcerpta Medica (Firm). Excerpta Medica. Amsterdam, Netherlands: Excerpta Medica, 1980.
Cita MLAExcerpta Medica (Firm). Excerpta Medica. Excerpta Medica, 1980.
Warning: These citations may not always be 100% accurate.