Leonard Zwelling

Dr. Zwelling is a board-certified internist and medical oncologist. He was trained at Duke University, Duke Medical School and Duke Hospital after which he completed his oncology training at the National Cancer Institute. He started his research career at NCI and in 1984 moved to The University of Texas MD Anderson Cancer Center where he rose to the rank of Professor of Medicine and Pharmacology. He returned to business school at the University of Houston, graduating in 1993. He then gravitated to research administration.

Oxymoron

Elective Cancer Surgery Is An Oxymoron By Leonard Zwelling          In the March 31, 2020 edition of The Houston Chronicle, Marc Boom (CEO of Methodist) and Peter Pisters (president of MD Anderson) penned an op-ed about the roles that hospitals must take in the coronavirus crisis. It was a platitude-laden piece about traditional exercises in …

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Choices

It’s Always About Choices By Leonard Zwelling          There are only choices. Those choices have type one (alpha) or type two (beta) errors. The first is an erroneous rejection of the null hypothesis—accepting significance when none exists. A type two error occurs when the null hypothesis is erroneously retained—missing a significance that is present. When …

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Research

There Will Be A Tomorrow. Research Must Be Part Of It. By Leonard Zwelling          It is my understanding that a single individual in one of the MD Anderson South Campus research buildings has tested positive for the coronavirus. Without letting the people in that building know and certainly without giving ample warning to the …

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