Citação norma APA

Sylvan, S. P., & Hekkström, U. B. (1989). Characterization of hepatitis B surface antigen (HBsAg) induced interleukin-2 secretion in chronic asymptomatic carriers of HBsAg.

Citação norma Chicago

Sylvan, S P., and U B. Hekkström. Characterization of Hepatitis B Surface Antigen (HBsAg) Induced Interleukin-2 Secretion in Chronic Asymptomatic Carriers of HBsAg. 1989.

Citação norma MLA

Sylvan, S P., and U B. Hekkström. Characterization of Hepatitis B Surface Antigen (HBsAg) Induced Interleukin-2 Secretion in Chronic Asymptomatic Carriers of HBsAg. 1989.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.