Blood estradiol levels after administration of a dose of estradiol can be visualized as a concentration–time curve.

Could you see the ride that goes down and round the point of the woods...? I could see down it till it went round the corner.... ...Then Mr Fawcett comes down the ride, rushing his chair along like it was a racing car... He carried on down the ride. Next thing Miss Harmsworth comes down the ride from the field...

And yet...and yet, the goodwillers cried, something was being misunderstood: Humanity was surely better than this! No! …

It was feared that, even in tolerant but not omnitolerant Holland, his presence among them threatened the repute, or even safety, of the refugee community.