There are limits to the difficulty of a laboratory problem which he can solve; 5 to the number of issues he can consider simultaneously; 6 to the complexity of a decision he can handle wisely.7
[[do]] review references
There are limits to the difficulty of a laboratory problem which he can solve; 5 to the number of issues he can consider simultaneously; 6 to the complexity of a decision he can handle wisely.7
[[do]] review references