TY - RPRT TI - Statistically designed haemagglutination inhibition tests. AU - A H Schuurs AU - A Delver AU - C J van Wijngaarden AU - F J Verbon PY - 1972 DO - 10.1016/0022-1759(72)90040-3 UR - https://pubmed.ncbi.nlm.nih.gov/4673078/ ID - 4673078 ER -