TY - RPRT TI - Complement factor 2 deficiency: a clinical and serological family study. AU - D D'Cruz AU - J Taylor AU - T Ahmed AU - R Asherson AU - M Khamashta AU - G R Hughes PY - 1992 DO - 10.1136/ard.51.11.1254 UR - https://pubmed.ncbi.nlm.nih.gov/1361318/ ID - 1361318 ER -