Results 211 to 220 of about 145,419 (376)

Woodward and Hoffmann on Secondary Orbital Interactions. How to Make a Fine Two‐Course Meal from Leftovers**

open access: yesThe Chemical Record, EarlyView.
In February through April 1965, Hoffmann devised several MO tools to explain the regiochemistry of the Diels‐Alder and the preference of the Cope reaction to proceed by the chair rather than boat orientations, when both were possible. The secret lay in secondary orbital interactions that were revealed through qualitative perturbation theory.
Jeffrey I. Seeman
wiley   +1 more source

Mechanisms of the 5-HT2 receptor down-regulation induced by repeated administration of tricyclic antidepressants

open access: gold, 1988
Midori Kubota   +8 more
openalex   +1 more source

Esophageal and Oropharyngeal Dysphagia: Clinical Recommendations From the United European Gastroenterology and European Society for Neurogastroenterology and Motility

open access: yesUnited European Gastroenterology Journal, EarlyView.
ABSTRACT Dysphagia is a prevalent symptom of the upper gastrointestinal tract causing health related consequences, impacting quality of life and is associated with global economic burden. Swallowing difficulties are classified into oropharyngeal dysphagia (OD) and esophageal dysphagia.
Amir Mari   +45 more
wiley   +1 more source

Acquired narcolepsy secondary to a presumptive hypothalamic hamartoma in a young German wirehaired pointer dog

open access: yesVeterinary Record Case Reports, EarlyView.
Abstract A 3‐year‐old, male, entire, German wirehaired pointer dog was presented with a 2‐year history of paroxysmal episodes of collapse associated with reduced levels of consciousness. A magnetic resonance imaging study identified a single, ill‐defined, non‐contrast‐enhancing, intra‐axial mass lesion involving the hypothalamus.
Callum Atkins   +3 more
wiley   +1 more source

Oral side effects of fluoxetine in patients with depressive disorder: A systematic review. [PDF]

open access: yesMed Oral Patol Oral Cir Bucal
Sarrión Pérez MG   +3 more
europepmc   +1 more source

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