. . . . "Patwardhan" . "R."@en . "R. P Patwardhan"@en-AU . "Patwardhan R" . "Patwardhan"@en . "R.P Patwardan" . "R.P Patwardhan" . "Patwardan" . "R. P. Patwardhan"@en . "P."@en . "P. Patwardhan Patwardhan R" . "P." . . "R.P. Patwardhan"@en . . "P. ed" . . "R.P" . "R. P. ed Patwardhan" . .