“If It Looks Like a Duck, Walks Like a Duck, and Quacks Like a Duck… It Must Be a Duck”

"If it looks like a duck, walks like a duck, and quacks like a duck...it must be a duck": anticoagulation in stroke patients with suspected atrial fibrillation.

If It Looks Like a Duck, Swims Like a Duck, and Quacks Like a Duck—Does It Have to Be a Duck?

On 2nd July 2013, a 29-year-old HIV-positive woman presented herself to the outpatient clinic at the Infectious Diseases Institute in Kampala, Uganda. Her weight had decreased from 46 kg to 42 kg in the past few weeks. In addition, she complained about abdominal pain, diarrhea, vomiting, and evening fevers during the week leading up to her visit (see Table 1 and Fig 1 for patient characteristic...

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a Duck . . . ".

In 2012, Health Canada transitioned caffeinated energy drinks from Natural Health Product to Food and Drug classification and regulations, implementing temporary guidelines with requirements such as caffeine content limits, mandatory cautionary labelling, and restrictions on health claims. "Energy shots" often contain as much or more caffeine compared to energy drinks and have been associated w...

Synapse formation: If it looks like a duck and quacks like a duck…

Neuroligin and neurexin form an intercellular adhesion complex sufficient to trigger formation of functional presynaptic elements in vitro. This single molecular interaction appears to initiate clustering of synaptic vesicles, assembly of vesicle-release machinery and morphological changes at the presynaptic membrane.

If it quacks like a duck...