RT Journal Article SR Electronic T1 Relative energy deficiency in sport (RED-S) JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 295 OP 297 DO 10.3399/bjgp22X719777 VO 72 IS 719 A1 Emily Todd A1 Niall Elliott A1 Nicky Keay YR 2022 UL http://bjgp.org/content/72/719/295.abstract AB