Aggressive Presentation and Rapid Progression of Osteonecrosis of the Femoral Head After COVID-19.

"Declarations Conflict of InterestPalanisami Dhanasekararaja, Dhanasekaran Soundarrajan, kanugula Sandeep Kumar, BT Pushpa, Natesan Rajkumar and Shanmuganathan Rajasekaran declare that they have no conflict of interest. Ethical Standard StatementThis article does not contain any studies with human or animal subjects performed by the any of the authors. Informed consentAll procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008. Informed consent was obtained from all patients for being included in the study. Conflict of Interest Palanisami Dhanasekararaja, Dhanasekaran Soundarrajan, kanugula Sandeep Kumar, BT Pushpa, Natesan Rajkumar and Shanmuganathan Rajasekaran declare that they have no conflict of interest."

"Funding This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors."