@book{24008,
	author = {Sharma, A.K.},
	title = {Text book of biostatistics},
	publisher = {Discovery Publishing},
	year = {2019},
	series = {DPH mathematics series},
	address = {New Delhi},
	note = {34439-34443 v.1; 34444-34448, 36641 v.2; }
}