La guerra de las Pharmas...

No todo son apretones de mano y sonrisas.

Hay acuerdos...

y tambien desacuerdos.

While many pharma deals over the past 20 years have been relatively friendly, others haven't. Hostile bids, media grandstanding, warring press releases--unfriendly mergers have triggered them all.

The following list includes some of the biggest battles of the last two decades. We've covered a few of them ourselves, but others are before our time, such as Pfizer's Warner-Lambert takeover. Click below to get all the details on some of the industry's biggest takeover battles.

Algunos de ellos:

1. Sun Pharma vs. Taro

2. Pfizer vs. Warner-Lambert

3. Aventis vs. Sanofi-Synthelabo

4. Astellas Pharma vs. OSI Pharmaceuticals

5. King Pharmaceuticals vs. Alpharma

6. Novartis vs. Alcon

7. BMS vs. Icahn

8. Genzyme vs. Icahn