Rabeprazole   46 studies
Raclopride   12 studies
Raloxifene   45 studies
Raltitrexed   11 studies
Ramatroban   1 study
Ramipril   68 studies
Ramosetron   3 studies
Ranitidine   18 studies
Ranitidine bismuth citrate   18 studies
Ranolazine   6 studies
Ranpirnase   1 study
Rasagiline   12 studies
Rasburicase   16 studies
Razoxane   24 studies
Rebamipide   11 studies
Reboxetine   20 studies
Red yeast rice   4 studies
Remifentanil   66 studies
Renzapride   2 studies
Repaglinide   17 studies
Reproterol   1 study
Reserpine   5 studies
Resveratrol   9 studies
Reteplase   6 studies
Retinol palmitate   68 studies
Rho(D) Immune Globulin   87 studies
Ribavirin   317 studies
Riboflavin   23 studies
Rifabutin   29 studies
Rifampin   78 studies
Rifapentine   12 studies
Rifaximin   22 studies
Riluzole   26 studies
Risedronic acid   62 studies
Risperidone   343 studies
Ritanserin   1 study
Ritodrine   2 studies
Ritonavir   366 studies
Rituximab   700 studies
Rivastigmine   35 studies
Rizatriptan   16 studies
Ro 07-0741   7 studies
Rocuronium   33 studies
Rofecoxib   29 studies
Rolipram   3 studies
Romidepsin   38 studies
Ropinirole   43 studies
Ropivacaine   71 studies
Roscovitine   1 study
Rosiglitazone   179 studies
Rosmarinic acid   1 study
Rosuvastatin   128 studies
Roxithromycin   3 studies
Ruboxistaurin   13 studies