RT Journal Article SR Electronic T1 Systemic absorption of intranasal corticosteroids may occur and can potentially affect the hypothalamic–pituitary–adrenal axis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E426 OP E426 DO 10.1503/cmaj.78162 VO 193 IS 12 A1 Gregory A. Kline A1 Christopher J. Symonds A1 Daniel T. Holmes YR 2021 UL http://www.cmaj.ca/content/193/12/E426.abstract