गेजेर-1920 सोआव पेलाग्रानि आंखाल बुंफुरलुआ गोनोखोआरि रादाय जागासिनो थादोंमोन, आरो बुंफुरलुवा 1932 याव नंगौ-गनायजादोंमोन जेब्ला नियासिन आंखाला जब्रानि जाहोन हिसाबै थि-खालामजादोंमोन।
By the mid-1920s, the deficiency theory of pellagra was becoming scientific consensus, and the theory was validated in 1932 when niacin deficiency was determined to be the cause of the illness.