TY - RPRT TI - Letter: Complement components in cystic fibrosis. AU - S Hann AU - D S Holsclaw AU - H S Shin PY - 1974 DO - 10.1016/s0140-6736(74)92044-3 UR - https://pubmed.ncbi.nlm.nih.gov/4136886/ ID - 4136886 ER -