"Statistics ... mainly taken from Jewish schools in the districts of Whitechapel and Stepney.""The weight of evidence shows that defective housing and...
"Statistics ... mainly taken from Jewish schools in the districts of Whitechapel and Stepney."
"The weight of evidence shows that defective housing and overcrowding ... with the loss of fresh air, sunshine, and exercise which these conditions entail, are the essential factors in producing rickets."-p. 80.