Nandi, MadhumitaMondal, Rakesh2015-12-242015-12-242011-12Nandi Madhumita, Mondal Rakesh. Avascular Necrosis of Hip Following Combined Protein C and Protein S Deficiency. Indian Pediatrics. 2011 December; 48(12): 992.http://imsear.searo.who.int/handle/123456789/169060enArticle