Safety of Estrogens in Lupus: Birth Control Pills

Hospital for Joint Diseases, New York

Hospital for Special Surgery, Dept. of Rheumatology, New York

Albert Einstein College of Medicine, Jacobi Hospital, Dept. of Rheumatology, The Bronx

Univ. of Pittsburgh, Dept. of Rheumatology, Pittsburgh

Univ. of Pennsylvania Medical Center, Philadelphia

Johns Hopkins Hospital, Dept. of Rheumatology, Baltimore

Medical College of Virginia, Richmond

Medical College of Wisconsin, Milwaukee

University of Chicago Pritzker School of Medicine, Chicago

Oklahoma Medical Research Foundation, Oklahoma City

University of Texas Health Sciences Center, Houston

UCLA Medical Center, Dept. of Rheumatology, Los Angeles

Louisiana School of Medicine, Dept. of Medicine/Immunology, Shreveport

Univ. of Michigan Med. Ctr., Rheumatology Division, Ann Arbor

UNC Medical Center, Dept. of Rheumatology, Chapel Hill