%0 Journal Article %T THE USE OF χ2 IN TESTING EFFECT OF BIRTH ORDER %A HALPERIN, MAX %J Annals of Human Genetics %V 17 %N 1 %P 99-106 %@ 0003-4800 %D 1952-01-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve