by Singhal, P.C, Sagar, P, Gupta, S, Arya, M, Gupta, M, Prasad, A, Loona, R, Sharma, P, Mattana, J
Published in American journal of hypertension (01.11.1997)

by Cohen, R I, Shapir, Y, Davis, A, Loona, R, Scharf, S M
Published in Critical care medicine (01.09.2000)

by Singhal, P C, Sharma, P, Loona, R, Gibbons, N, Franki, N, Klotman, P E
Published in Journal of investigative medicine (01.08.1998)