Blood loss with knee joint replacement.
D001172:Arthritis, Rheumatoid / Q000601:surgery; D001810:Blood Volume; D005260:Female; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007719:Knee Joint / Q000601:surgery*; D007720:Knee Prosthesis / Q000009:adverse effects*
D006454:Hemoglobins