APA (7th ed.) Citation

(1993). Serum levels of secretory IgA and in vitro production of IgA in rheumatoid arthritis.

Chicago Style (17th ed.) Citation

Serum Levels of Secretory IgA and in Vitro Production of IgA in Rheumatoid Arthritis. 1993.

MLA (8th ed.) Citation

Serum Levels of Secretory IgA and in Vitro Production of IgA in Rheumatoid Arthritis. 1993.

Warning: These citations may not always be 100% accurate.