TY - RPRT TI - Implementing randomization procedures in the asthma clinical research network. AU - S J Kunselman AU - T J Armstrong AU - T B Britton AU - P E Forand AU - Asthma Clinical Trials Network PY - 2001 DO - 10.1016/s0197-2456(01)00162-3 UR - https://pubmed.ncbi.nlm.nih.gov/11728623/ ID - 11728623 ER -